diff --git a/.chronus/changes/bump-2024-12-25-2024-11-25-8-10-41.md b/.chronus/changes/bump-2024-12-25-2024-11-25-8-10-41.md
new file mode 100644
index 00000000000..9e8bd214c33
--- /dev/null
+++ b/.chronus/changes/bump-2024-12-25-2024-11-25-8-10-41.md
@@ -0,0 +1,8 @@
+---
+changeKind: internal
+packages:
+  - "@autorest/python"
+  - "@azure-tools/typespec-python"
+---
+
+Bump @typespec/http-client-python 0.5.0
\ No newline at end of file
diff --git a/eng/dev_requirements.txt b/eng/dev_requirements.txt
index 3d91b03ddb4..c29ab357b6d 100644
--- a/eng/dev_requirements.txt
+++ b/eng/dev_requirements.txt
@@ -1,8 +1 @@
-azure-pylint-guidelines-checker==0.0.8
-colorama==0.4.6
-debugpy==1.8.9
-pytest==8.3.4
-tox==4.23.2
-coverage==7.6.9
-black==24.10.0
-setuptools==73.0.1
+-r ../packages/typespec-python/dev_requirements.txt
diff --git a/eng/pipelines/ci-template.yml b/eng/pipelines/ci-template.yml
index 3cb3252dff3..d4da4d73e62 100644
--- a/eng/pipelines/ci-template.yml
+++ b/eng/pipelines/ci-template.yml
@@ -20,10 +20,11 @@ steps:
       displayName: "Install Node.js 18.x"
       inputs:
           versionSpec: "18.x"
+
     - task: UsePythonVersion@0
-      displayName: "Use Python 3.11"
+      displayName: "Use Python $(PythonVersion)"
       inputs:
-          versionSpec: 3.11
+          versionSpec: $(PythonVersion)
 
     - script: npm install -g pnpm@9.5.0
       displayName: Install pnpm 9.5.0
@@ -125,11 +126,6 @@ steps:
       workingDirectory: $(Build.SourcesDirectory)/autorest.python/packages/autorest.python/test
       condition: and(succeeded(), ${{ parameters.regenerate }}, ${{ parameters.checkChange }})
 
-    - task: UsePythonVersion@0
-      displayName: "Use Python $(PythonVersion)"
-      inputs:
-          versionSpec: $(PythonVersion)
-
     - script: |
           pnpm pack
           AbsolutePkgPath=$(find "$(pwd)" -name "autorest-python-*" -maxdepth 1)
diff --git a/eng/requirements.txt b/eng/requirements.txt
deleted file mode 100644
index 6fa14db97c3..00000000000
--- a/eng/requirements.txt
+++ /dev/null
@@ -1,5 +0,0 @@
-# This is for CI requirements or dev only
-pyright==1.1.391
-pylint==3.2.7
-tox==4.23.2
-mypy==1.10.1
diff --git a/packages/autorest.python/dev_requirements.txt b/packages/autorest.python/dev_requirements.txt
index 7bc8c2809fe..5451b7847f0 100644
--- a/packages/autorest.python/dev_requirements.txt
+++ b/packages/autorest.python/dev_requirements.txt
@@ -1,7 +1,4 @@
 -e .
 -e ./generator
--r ../../eng/requirements.txt
 -r ../../eng/dev_requirements.txt
-ptvsd==4.3.2
-types-PyYAML==6.0.12.8
 invoke==2.2.0
diff --git a/packages/autorest.python/package.json b/packages/autorest.python/package.json
index 70db24d26c5..5271b8536c6 100644
--- a/packages/autorest.python/package.json
+++ b/packages/autorest.python/package.json
@@ -29,7 +29,7 @@
   },
   "homepage": "https://github.com/Azure/autorest.python/blob/main/README.md",
   "dependencies": {
-    "@typespec/http-client-python": "~0.4.4",
+    "@typespec/http-client-python": "~0.5.0",
     "@autorest/system-requirements": "~1.0.2",
     "fs-extra": "~11.2.0",
     "tsx": "~4.19.1"
diff --git a/packages/autorest.python/requirements.txt b/packages/autorest.python/requirements.txt
index 3f977ca26b8..6d73aedfbd7 100644
--- a/packages/autorest.python/requirements.txt
+++ b/packages/autorest.python/requirements.txt
@@ -1,13 +1 @@
-black==24.4.0
-click==8.1.3
-docutils==0.19
-Jinja2==3.1.4
-m2r2==0.3.3
-MarkupSafe==2.1.2
-mistune==0.8.4
-pathspec==0.11.1
-platformdirs==3.2.0
-PyYAML==6.0.1
-tomli==2.0.1
-setuptools==69.2.0
 json-rpc==1.14.0
diff --git a/packages/autorest.python/scripts/eng/pylintrc b/packages/autorest.python/scripts/eng/pylintrc
index 802317e3fb9..4051f26a347 100644
--- a/packages/autorest.python/scripts/eng/pylintrc
+++ b/packages/autorest.python/scripts/eng/pylintrc
@@ -9,7 +9,7 @@ ignore=_generated,samples,examples,test,tests,doc,.tox,generated_samples
 [MESSAGES CONTROL]
 
 # Add enable for useless disables
-enable=useless-suppression
+# enable=useless-suppression
 
 # For all codes, run 'pylint --list-msgs' or go to 'https://pylint.readthedocs.io/en/latest/reference_guide/features.html'
 # locally-disabled: Warning locally suppressed using disable-msg
@@ -17,7 +17,7 @@ enable=useless-suppression
 # too-many-arguments: Due to the nature of the CLI many commands have large arguments set which reflect in large arguments set in corresponding methods.
 # too-many-lines: Due to code generation many files end up with too many lines.
 # Let's black deal with bad-continuation
-disable=missing-docstring,locally-disabled,fixme,cyclic-import,too-many-arguments,invalid-name,duplicate-code,too-few-public-methods,consider-using-f-string,super-with-arguments,redefined-builtin,import-outside-toplevel,client-suffix-needed,unnecessary-dunder-call,unnecessary-ellipsis,disallowed-name,consider-using-max-builtin,unknown-option-value
+disable=missing-docstring,locally-disabled,fixme,cyclic-import,too-many-arguments,invalid-name,duplicate-code,too-few-public-methods,consider-using-f-string,super-with-arguments,redefined-builtin,import-outside-toplevel,client-suffix-needed,unnecessary-dunder-call,unnecessary-ellipsis,disallowed-name,consider-using-max-builtin,unknown-option-value,useless-suppression,too-many-instance-attributes
 
 [FORMAT]
 max-line-length=120
diff --git a/packages/autorest.python/scripts/install.py b/packages/autorest.python/scripts/install.py
index 7b687f1171d..9350c3c4564 100644
--- a/packages/autorest.python/scripts/install.py
+++ b/packages/autorest.python/scripts/install.py
@@ -41,7 +41,6 @@ def main():
         venv_context = env_builder.context
 
         python_run(venv_context, "pip", ["install", "-U", "pip"])
-        python_run(venv_context, "pip", ["install", "-r", f"{_ROOT_DIR}/requirements.txt"])
         python_run(venv_context, "pip", ["install", "-e", f"{_ROOT_DIR}/generator"])
 
 
diff --git a/packages/autorest.python/test/azure/legacy/tox.ini b/packages/autorest.python/test/azure/legacy/tox.ini
index 0976810eebc..d2fad1ddb23 100644
--- a/packages/autorest.python/test/azure/legacy/tox.ini
+++ b/packages/autorest.python/test/azure/legacy/tox.ini
@@ -6,7 +6,7 @@ skipsdist=True
 passenv=*
 deps=
     -r requirements.txt
-    -r ../../../../../eng/requirements.txt
+    -r ../../../../../eng/dev_requirements.txt
 commands=
     pytest --cov=Expected
 
diff --git a/packages/autorest.python/test/azure/version-tolerant/tox.ini b/packages/autorest.python/test/azure/version-tolerant/tox.ini
index 499b0549838..ba65873b3b9 100644
--- a/packages/autorest.python/test/azure/version-tolerant/tox.ini
+++ b/packages/autorest.python/test/azure/version-tolerant/tox.ini
@@ -6,14 +6,14 @@ skipsdist=True
 passenv=*
 deps=
     -r requirements.txt
-    -r ../../../../../eng/requirements.txt
+    -r ../../../../../eng/dev_requirements.txt
 commands=
     pytest --cov=Expected
 
 [testenv:lint]
 deps=
     -r requirements.txt
-    -r ../../../../../eng/requirements.txt
+    -r ../../../../../eng/dev_requirements.txt
 commands =
     pip install azure-pylint-guidelines-checker==0.4.1 --index-url="https://pkgs.dev.azure.com/azure-sdk/public/_packaging/azure-sdk-for-python/pypi/simple/"
     python ../../../../../eng/scripts/run_pylint.py -t azure -g version-tolerant {posargs}
diff --git a/packages/autorest.python/test/dpg/version-tolerant/tox.ini b/packages/autorest.python/test/dpg/version-tolerant/tox.ini
index fef430b46c1..65375762f05 100644
--- a/packages/autorest.python/test/dpg/version-tolerant/tox.ini
+++ b/packages/autorest.python/test/dpg/version-tolerant/tox.ini
@@ -6,14 +6,14 @@ skipsdist=True
 passenv=*
 deps=
     -r requirements.txt
-    -r ../../../../../eng/requirements.txt
+    -r ../../../../../eng/dev_requirements.txt
 commands=
     pytest --cov=Expected
 
 [testenv:lint]
 deps=
     -r requirements.txt
-    -r ../../../../../eng/requirements.txt
+    -r ../../../../../eng/dev_requirements.txt
 commands =
     pip install azure-pylint-guidelines-checker==0.4.1 --index-url="https://pkgs.dev.azure.com/azure-sdk/public/_packaging/azure-sdk-for-python/pypi/simple/"
     python ../../../../../eng/scripts/run_pylint.py -t dpg -g version-tolerant {posargs}
diff --git a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiWithSubmodule/multiapiwithsubmodule/__init__.py b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiWithSubmodule/multiapiwithsubmodule/__init__.py
index e69de29bb2d..d55ccad1f57 100644
--- a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiWithSubmodule/multiapiwithsubmodule/__init__.py
+++ b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiWithSubmodule/multiapiwithsubmodule/__init__.py
@@ -0,0 +1 @@
+__path__ = __import__("pkgutil").extend_path(__path__, __name__)  # type: ignore
diff --git a/packages/autorest.python/test/multiapi/tox.ini b/packages/autorest.python/test/multiapi/tox.ini
index f54cd9e54bb..eafc575541c 100644
--- a/packages/autorest.python/test/multiapi/tox.ini
+++ b/packages/autorest.python/test/multiapi/tox.ini
@@ -6,7 +6,7 @@ skipsdist=True
 passenv=*
 deps=
     -r requirements.txt
-    -r ../../../../eng/requirements.txt
+    -r ../../../../eng/dev_requirements.txt
 commands=
     pytest --cov=Expected
 
diff --git a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/AdditionalProperties/additionalproperties/_version.py b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/AdditionalProperties/additionalproperties/_version.py
index 09e1437196f..eae7c95b6fb 100644
--- a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/AdditionalProperties/additionalproperties/_version.py
+++ b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/AdditionalProperties/additionalproperties/_version.py
@@ -6,5 +6,4 @@
 # Changes may cause incorrect behavior and will be lost if the code is regenerated.
 # --------------------------------------------------------------------------
 
-
 VERSION = "0.1.0"
diff --git a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/Anything/anything/_version.py b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/Anything/anything/_version.py
index 09e1437196f..eae7c95b6fb 100644
--- a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/Anything/anything/_version.py
+++ b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/Anything/anything/_version.py
@@ -6,5 +6,4 @@
 # Changes may cause incorrect behavior and will be lost if the code is regenerated.
 # --------------------------------------------------------------------------
 
-
 VERSION = "0.1.0"
diff --git a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/BodyArray/bodyarray/_version.py b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/BodyArray/bodyarray/_version.py
index 09e1437196f..eae7c95b6fb 100644
--- a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/BodyArray/bodyarray/_version.py
+++ b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/BodyArray/bodyarray/_version.py
@@ -6,5 +6,4 @@
 # Changes may cause incorrect behavior and will be lost if the code is regenerated.
 # --------------------------------------------------------------------------
 
-
 VERSION = "0.1.0"
diff --git a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/BodyArrayWithNamespaceFolders/vanilla/body/array/_version.py b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/BodyArrayWithNamespaceFolders/vanilla/body/array/_version.py
index 09e1437196f..eae7c95b6fb 100644
--- a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/BodyArrayWithNamespaceFolders/vanilla/body/array/_version.py
+++ b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/BodyArrayWithNamespaceFolders/vanilla/body/array/_version.py
@@ -6,5 +6,4 @@
 # Changes may cause incorrect behavior and will be lost if the code is regenerated.
 # --------------------------------------------------------------------------
 
-
 VERSION = "0.1.0"
diff --git a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/BodyBinary/bodybinary/_version.py b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/BodyBinary/bodybinary/_version.py
index 09e1437196f..eae7c95b6fb 100644
--- a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/BodyBinary/bodybinary/_version.py
+++ b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/BodyBinary/bodybinary/_version.py
@@ -6,5 +6,4 @@
 # Changes may cause incorrect behavior and will be lost if the code is regenerated.
 # --------------------------------------------------------------------------
 
-
 VERSION = "0.1.0"
diff --git a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/BodyBoolean/bodyboolean/_version.py b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/BodyBoolean/bodyboolean/_version.py
index 09e1437196f..eae7c95b6fb 100644
--- a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/BodyBoolean/bodyboolean/_version.py
+++ b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/BodyBoolean/bodyboolean/_version.py
@@ -6,5 +6,4 @@
 # Changes may cause incorrect behavior and will be lost if the code is regenerated.
 # --------------------------------------------------------------------------
 
-
 VERSION = "0.1.0"
diff --git a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/BodyByte/bodybyte/_version.py b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/BodyByte/bodybyte/_version.py
index 09e1437196f..eae7c95b6fb 100644
--- a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/BodyByte/bodybyte/_version.py
+++ b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/BodyByte/bodybyte/_version.py
@@ -6,5 +6,4 @@
 # Changes may cause incorrect behavior and will be lost if the code is regenerated.
 # --------------------------------------------------------------------------
 
-
 VERSION = "0.1.0"
diff --git a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/BodyByteWithPackageName/bodybytewithpackagename/_version.py b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/BodyByteWithPackageName/bodybytewithpackagename/_version.py
index 09e1437196f..eae7c95b6fb 100644
--- a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/BodyByteWithPackageName/bodybytewithpackagename/_version.py
+++ b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/BodyByteWithPackageName/bodybytewithpackagename/_version.py
@@ -6,5 +6,4 @@
 # Changes may cause incorrect behavior and will be lost if the code is regenerated.
 # --------------------------------------------------------------------------
 
-
 VERSION = "0.1.0"
diff --git a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/BodyComplex/bodycomplex/_version.py b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/BodyComplex/bodycomplex/_version.py
index 09e1437196f..eae7c95b6fb 100644
--- a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/BodyComplex/bodycomplex/_version.py
+++ b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/BodyComplex/bodycomplex/_version.py
@@ -6,5 +6,4 @@
 # Changes may cause incorrect behavior and will be lost if the code is regenerated.
 # --------------------------------------------------------------------------
 
-
 VERSION = "0.1.0"
diff --git a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/BodyDate/bodydate/_version.py b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/BodyDate/bodydate/_version.py
index 09e1437196f..eae7c95b6fb 100644
--- a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/BodyDate/bodydate/_version.py
+++ b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/BodyDate/bodydate/_version.py
@@ -6,5 +6,4 @@
 # Changes may cause incorrect behavior and will be lost if the code is regenerated.
 # --------------------------------------------------------------------------
 
-
 VERSION = "0.1.0"
diff --git a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/BodyDateTime/bodydatetime/_version.py b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/BodyDateTime/bodydatetime/_version.py
index 09e1437196f..eae7c95b6fb 100644
--- a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/BodyDateTime/bodydatetime/_version.py
+++ b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/BodyDateTime/bodydatetime/_version.py
@@ -6,5 +6,4 @@
 # Changes may cause incorrect behavior and will be lost if the code is regenerated.
 # --------------------------------------------------------------------------
 
-
 VERSION = "0.1.0"
diff --git a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/BodyDateTimeRfc1123/bodydatetimerfc1123/_version.py b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/BodyDateTimeRfc1123/bodydatetimerfc1123/_version.py
index 09e1437196f..eae7c95b6fb 100644
--- a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/BodyDateTimeRfc1123/bodydatetimerfc1123/_version.py
+++ b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/BodyDateTimeRfc1123/bodydatetimerfc1123/_version.py
@@ -6,5 +6,4 @@
 # Changes may cause incorrect behavior and will be lost if the code is regenerated.
 # --------------------------------------------------------------------------
 
-
 VERSION = "0.1.0"
diff --git a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/BodyDictionary/bodydictionary/_version.py b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/BodyDictionary/bodydictionary/_version.py
index 09e1437196f..eae7c95b6fb 100644
--- a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/BodyDictionary/bodydictionary/_version.py
+++ b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/BodyDictionary/bodydictionary/_version.py
@@ -6,5 +6,4 @@
 # Changes may cause incorrect behavior and will be lost if the code is regenerated.
 # --------------------------------------------------------------------------
 
-
 VERSION = "0.1.0"
diff --git a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/BodyDuration/bodyduration/_version.py b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/BodyDuration/bodyduration/_version.py
index 09e1437196f..eae7c95b6fb 100644
--- a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/BodyDuration/bodyduration/_version.py
+++ b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/BodyDuration/bodyduration/_version.py
@@ -6,5 +6,4 @@
 # Changes may cause incorrect behavior and will be lost if the code is regenerated.
 # --------------------------------------------------------------------------
 
-
 VERSION = "0.1.0"
diff --git a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/BodyFile/bodyfile/_version.py b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/BodyFile/bodyfile/_version.py
index 09e1437196f..eae7c95b6fb 100644
--- a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/BodyFile/bodyfile/_version.py
+++ b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/BodyFile/bodyfile/_version.py
@@ -6,5 +6,4 @@
 # Changes may cause incorrect behavior and will be lost if the code is regenerated.
 # --------------------------------------------------------------------------
 
-
 VERSION = "0.1.0"
diff --git a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/BodyFormData/bodyformdata/_version.py b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/BodyFormData/bodyformdata/_version.py
index 09e1437196f..eae7c95b6fb 100644
--- a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/BodyFormData/bodyformdata/_version.py
+++ b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/BodyFormData/bodyformdata/_version.py
@@ -6,5 +6,4 @@
 # Changes may cause incorrect behavior and will be lost if the code is regenerated.
 # --------------------------------------------------------------------------
 
-
 VERSION = "0.1.0"
diff --git a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/BodyFormUrlEncodedData/bodyformurlencodeddata/_version.py b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/BodyFormUrlEncodedData/bodyformurlencodeddata/_version.py
index 09e1437196f..eae7c95b6fb 100644
--- a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/BodyFormUrlEncodedData/bodyformurlencodeddata/_version.py
+++ b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/BodyFormUrlEncodedData/bodyformurlencodeddata/_version.py
@@ -6,5 +6,4 @@
 # Changes may cause incorrect behavior and will be lost if the code is regenerated.
 # --------------------------------------------------------------------------
 
-
 VERSION = "0.1.0"
diff --git a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/BodyInteger/bodyinteger/_version.py b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/BodyInteger/bodyinteger/_version.py
index 09e1437196f..eae7c95b6fb 100644
--- a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/BodyInteger/bodyinteger/_version.py
+++ b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/BodyInteger/bodyinteger/_version.py
@@ -6,5 +6,4 @@
 # Changes may cause incorrect behavior and will be lost if the code is regenerated.
 # --------------------------------------------------------------------------
 
-
 VERSION = "0.1.0"
diff --git a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/BodyNumber/bodynumber/_version.py b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/BodyNumber/bodynumber/_version.py
index 09e1437196f..eae7c95b6fb 100644
--- a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/BodyNumber/bodynumber/_version.py
+++ b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/BodyNumber/bodynumber/_version.py
@@ -6,5 +6,4 @@
 # Changes may cause incorrect behavior and will be lost if the code is regenerated.
 # --------------------------------------------------------------------------
 
-
 VERSION = "0.1.0"
diff --git a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/BodyString/bodystring/_version.py b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/BodyString/bodystring/_version.py
index 09e1437196f..eae7c95b6fb 100644
--- a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/BodyString/bodystring/_version.py
+++ b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/BodyString/bodystring/_version.py
@@ -6,5 +6,4 @@
 # Changes may cause incorrect behavior and will be lost if the code is regenerated.
 # --------------------------------------------------------------------------
 
-
 VERSION = "0.1.0"
diff --git a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/BodyTime/bodytime/_version.py b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/BodyTime/bodytime/_version.py
index 09e1437196f..eae7c95b6fb 100644
--- a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/BodyTime/bodytime/_version.py
+++ b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/BodyTime/bodytime/_version.py
@@ -6,5 +6,4 @@
 # Changes may cause incorrect behavior and will be lost if the code is regenerated.
 # --------------------------------------------------------------------------
 
-
 VERSION = "0.1.0"
diff --git a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/ClientEnum/clientenum/_version.py b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/ClientEnum/clientenum/_version.py
index 09e1437196f..eae7c95b6fb 100644
--- a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/ClientEnum/clientenum/_version.py
+++ b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/ClientEnum/clientenum/_version.py
@@ -6,5 +6,4 @@
 # Changes may cause incorrect behavior and will be lost if the code is regenerated.
 # --------------------------------------------------------------------------
 
-
 VERSION = "0.1.0"
diff --git a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/Constants/constants/_version.py b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/Constants/constants/_version.py
index 09e1437196f..eae7c95b6fb 100644
--- a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/Constants/constants/_version.py
+++ b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/Constants/constants/_version.py
@@ -6,5 +6,4 @@
 # Changes may cause incorrect behavior and will be lost if the code is regenerated.
 # --------------------------------------------------------------------------
 
-
 VERSION = "0.1.0"
diff --git a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/CustomBaseUri/custombaseurl/_version.py b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/CustomBaseUri/custombaseurl/_version.py
index 09e1437196f..eae7c95b6fb 100644
--- a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/CustomBaseUri/custombaseurl/_version.py
+++ b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/CustomBaseUri/custombaseurl/_version.py
@@ -6,5 +6,4 @@
 # Changes may cause incorrect behavior and will be lost if the code is regenerated.
 # --------------------------------------------------------------------------
 
-
 VERSION = "0.1.0"
diff --git a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/CustomBaseUriMoreOptions/custombaseurlmoreoptions/_version.py b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/CustomBaseUriMoreOptions/custombaseurlmoreoptions/_version.py
index 09e1437196f..eae7c95b6fb 100644
--- a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/CustomBaseUriMoreOptions/custombaseurlmoreoptions/_version.py
+++ b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/CustomBaseUriMoreOptions/custombaseurlmoreoptions/_version.py
@@ -6,5 +6,4 @@
 # Changes may cause incorrect behavior and will be lost if the code is regenerated.
 # --------------------------------------------------------------------------
 
-
 VERSION = "0.1.0"
diff --git a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/ErrorWithSecrets/errorwithsecrets/_version.py b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/ErrorWithSecrets/errorwithsecrets/_version.py
index 09e1437196f..eae7c95b6fb 100644
--- a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/ErrorWithSecrets/errorwithsecrets/_version.py
+++ b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/ErrorWithSecrets/errorwithsecrets/_version.py
@@ -6,5 +6,4 @@
 # Changes may cause incorrect behavior and will be lost if the code is regenerated.
 # --------------------------------------------------------------------------
 
-
 VERSION = "0.1.0"
diff --git a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/ExtensibleEnums/extensibleenumsswagger/_version.py b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/ExtensibleEnums/extensibleenumsswagger/_version.py
index 09e1437196f..eae7c95b6fb 100644
--- a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/ExtensibleEnums/extensibleenumsswagger/_version.py
+++ b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/ExtensibleEnums/extensibleenumsswagger/_version.py
@@ -6,5 +6,4 @@
 # Changes may cause incorrect behavior and will be lost if the code is regenerated.
 # --------------------------------------------------------------------------
 
-
 VERSION = "0.1.0"
diff --git a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/Header/header/_version.py b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/Header/header/_version.py
index 09e1437196f..eae7c95b6fb 100644
--- a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/Header/header/_version.py
+++ b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/Header/header/_version.py
@@ -6,5 +6,4 @@
 # Changes may cause incorrect behavior and will be lost if the code is regenerated.
 # --------------------------------------------------------------------------
 
-
 VERSION = "0.1.0"
diff --git a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/Http/httpinfrastructure/_version.py b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/Http/httpinfrastructure/_version.py
index 09e1437196f..eae7c95b6fb 100644
--- a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/Http/httpinfrastructure/_version.py
+++ b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/Http/httpinfrastructure/_version.py
@@ -6,5 +6,4 @@
 # Changes may cause incorrect behavior and will be lost if the code is regenerated.
 # --------------------------------------------------------------------------
 
-
 VERSION = "0.1.0"
diff --git a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/IncorrectErrorResponse/incorrecterrorresponse/_version.py b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/IncorrectErrorResponse/incorrecterrorresponse/_version.py
index 09e1437196f..eae7c95b6fb 100644
--- a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/IncorrectErrorResponse/incorrecterrorresponse/_version.py
+++ b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/IncorrectErrorResponse/incorrecterrorresponse/_version.py
@@ -6,5 +6,4 @@
 # Changes may cause incorrect behavior and will be lost if the code is regenerated.
 # --------------------------------------------------------------------------
 
-
 VERSION = "0.1.0"
diff --git a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/MediaTypes/mediatypes/_version.py b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/MediaTypes/mediatypes/_version.py
index 09e1437196f..eae7c95b6fb 100644
--- a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/MediaTypes/mediatypes/_version.py
+++ b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/MediaTypes/mediatypes/_version.py
@@ -6,5 +6,4 @@
 # Changes may cause incorrect behavior and will be lost if the code is regenerated.
 # --------------------------------------------------------------------------
 
-
 VERSION = "0.1.0"
diff --git a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/MergePatchJson/mergepatchjson/_version.py b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/MergePatchJson/mergepatchjson/_version.py
index 09e1437196f..eae7c95b6fb 100644
--- a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/MergePatchJson/mergepatchjson/_version.py
+++ b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/MergePatchJson/mergepatchjson/_version.py
@@ -6,5 +6,4 @@
 # Changes may cause incorrect behavior and will be lost if the code is regenerated.
 # --------------------------------------------------------------------------
 
-
 VERSION = "0.1.0"
diff --git a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/ModelFlattening/modelflattening/_version.py b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/ModelFlattening/modelflattening/_version.py
index 09e1437196f..eae7c95b6fb 100644
--- a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/ModelFlattening/modelflattening/_version.py
+++ b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/ModelFlattening/modelflattening/_version.py
@@ -6,5 +6,4 @@
 # Changes may cause incorrect behavior and will be lost if the code is regenerated.
 # --------------------------------------------------------------------------
 
-
 VERSION = "0.1.0"
diff --git a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/MultipleInheritance/multipleinheritance/_version.py b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/MultipleInheritance/multipleinheritance/_version.py
index 09e1437196f..eae7c95b6fb 100644
--- a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/MultipleInheritance/multipleinheritance/_version.py
+++ b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/MultipleInheritance/multipleinheritance/_version.py
@@ -6,5 +6,4 @@
 # Changes may cause incorrect behavior and will be lost if the code is regenerated.
 # --------------------------------------------------------------------------
 
-
 VERSION = "0.1.0"
diff --git a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/NoOperations/nooperations/_version.py b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/NoOperations/nooperations/_version.py
index 09e1437196f..eae7c95b6fb 100644
--- a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/NoOperations/nooperations/_version.py
+++ b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/NoOperations/nooperations/_version.py
@@ -6,5 +6,4 @@
 # Changes may cause incorrect behavior and will be lost if the code is regenerated.
 # --------------------------------------------------------------------------
 
-
 VERSION = "0.1.0"
diff --git a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/NonStringEnums/nonstringenums/_version.py b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/NonStringEnums/nonstringenums/_version.py
index 09e1437196f..eae7c95b6fb 100644
--- a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/NonStringEnums/nonstringenums/_version.py
+++ b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/NonStringEnums/nonstringenums/_version.py
@@ -6,5 +6,4 @@
 # Changes may cause incorrect behavior and will be lost if the code is regenerated.
 # --------------------------------------------------------------------------
 
-
 VERSION = "0.1.0"
diff --git a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/ObjectType/objecttype/_version.py b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/ObjectType/objecttype/_version.py
index 09e1437196f..eae7c95b6fb 100644
--- a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/ObjectType/objecttype/_version.py
+++ b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/ObjectType/objecttype/_version.py
@@ -6,5 +6,4 @@
 # Changes may cause incorrect behavior and will be lost if the code is regenerated.
 # --------------------------------------------------------------------------
 
-
 VERSION = "0.1.0"
diff --git a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/ParameterFlattening/parameterflattening/_version.py b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/ParameterFlattening/parameterflattening/_version.py
index 09e1437196f..eae7c95b6fb 100644
--- a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/ParameterFlattening/parameterflattening/_version.py
+++ b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/ParameterFlattening/parameterflattening/_version.py
@@ -6,5 +6,4 @@
 # Changes may cause incorrect behavior and will be lost if the code is regenerated.
 # --------------------------------------------------------------------------
 
-
 VERSION = "0.1.0"
diff --git a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/ParameterizedEndpoint/parameterizedendpoint/_version.py b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/ParameterizedEndpoint/parameterizedendpoint/_version.py
index 09e1437196f..eae7c95b6fb 100644
--- a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/ParameterizedEndpoint/parameterizedendpoint/_version.py
+++ b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/ParameterizedEndpoint/parameterizedendpoint/_version.py
@@ -6,5 +6,4 @@
 # Changes may cause incorrect behavior and will be lost if the code is regenerated.
 # --------------------------------------------------------------------------
 
-
 VERSION = "0.1.0"
diff --git a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/Report/report/_version.py b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/Report/report/_version.py
index 09e1437196f..eae7c95b6fb 100644
--- a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/Report/report/_version.py
+++ b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/Report/report/_version.py
@@ -6,5 +6,4 @@
 # Changes may cause incorrect behavior and will be lost if the code is regenerated.
 # --------------------------------------------------------------------------
 
-
 VERSION = "0.1.0"
diff --git a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/RequiredOptional/requiredoptional/_version.py b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/RequiredOptional/requiredoptional/_version.py
index 09e1437196f..eae7c95b6fb 100644
--- a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/RequiredOptional/requiredoptional/_version.py
+++ b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/RequiredOptional/requiredoptional/_version.py
@@ -6,5 +6,4 @@
 # Changes may cause incorrect behavior and will be lost if the code is regenerated.
 # --------------------------------------------------------------------------
 
-
 VERSION = "0.1.0"
diff --git a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/ReservedWords/reservedwords/_version.py b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/ReservedWords/reservedwords/_version.py
index 09e1437196f..eae7c95b6fb 100644
--- a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/ReservedWords/reservedwords/_version.py
+++ b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/ReservedWords/reservedwords/_version.py
@@ -6,5 +6,4 @@
 # Changes may cause incorrect behavior and will be lost if the code is regenerated.
 # --------------------------------------------------------------------------
 
-
 VERSION = "0.1.0"
diff --git a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/SecurityAadSwagger/securityaadswagger/_version.py b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/SecurityAadSwagger/securityaadswagger/_version.py
index 09e1437196f..eae7c95b6fb 100644
--- a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/SecurityAadSwagger/securityaadswagger/_version.py
+++ b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/SecurityAadSwagger/securityaadswagger/_version.py
@@ -6,5 +6,4 @@
 # Changes may cause incorrect behavior and will be lost if the code is regenerated.
 # --------------------------------------------------------------------------
 
-
 VERSION = "0.1.0"
diff --git a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/SecurityAadSwaggerCredentialFlag/securityaadswaggercredentialflag/_version.py b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/SecurityAadSwaggerCredentialFlag/securityaadswaggercredentialflag/_version.py
index 09e1437196f..eae7c95b6fb 100644
--- a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/SecurityAadSwaggerCredentialFlag/securityaadswaggercredentialflag/_version.py
+++ b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/SecurityAadSwaggerCredentialFlag/securityaadswaggercredentialflag/_version.py
@@ -6,5 +6,4 @@
 # Changes may cause incorrect behavior and will be lost if the code is regenerated.
 # --------------------------------------------------------------------------
 
-
 VERSION = "0.1.0"
diff --git a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/SecurityKeySwagger/securitykeyswagger/_version.py b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/SecurityKeySwagger/securitykeyswagger/_version.py
index 09e1437196f..eae7c95b6fb 100644
--- a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/SecurityKeySwagger/securitykeyswagger/_version.py
+++ b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/SecurityKeySwagger/securitykeyswagger/_version.py
@@ -6,5 +6,4 @@
 # Changes may cause incorrect behavior and will be lost if the code is regenerated.
 # --------------------------------------------------------------------------
 
-
 VERSION = "0.1.0"
diff --git a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/SecurityKeySwaggerCredentialFlag/securitykeyswaggercredentialflag/_version.py b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/SecurityKeySwaggerCredentialFlag/securitykeyswaggercredentialflag/_version.py
index 09e1437196f..eae7c95b6fb 100644
--- a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/SecurityKeySwaggerCredentialFlag/securitykeyswaggercredentialflag/_version.py
+++ b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/SecurityKeySwaggerCredentialFlag/securitykeyswaggercredentialflag/_version.py
@@ -6,5 +6,4 @@
 # Changes may cause incorrect behavior and will be lost if the code is regenerated.
 # --------------------------------------------------------------------------
 
-
 VERSION = "0.1.0"
diff --git a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/Url/url/_version.py b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/Url/url/_version.py
index 09e1437196f..eae7c95b6fb 100644
--- a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/Url/url/_version.py
+++ b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/Url/url/_version.py
@@ -6,5 +6,4 @@
 # Changes may cause incorrect behavior and will be lost if the code is regenerated.
 # --------------------------------------------------------------------------
 
-
 VERSION = "0.1.0"
diff --git a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/UrlMultiCollectionFormat/urlmulticollectionformat/_version.py b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/UrlMultiCollectionFormat/urlmulticollectionformat/_version.py
index 09e1437196f..eae7c95b6fb 100644
--- a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/UrlMultiCollectionFormat/urlmulticollectionformat/_version.py
+++ b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/UrlMultiCollectionFormat/urlmulticollectionformat/_version.py
@@ -6,5 +6,4 @@
 # Changes may cause incorrect behavior and will be lost if the code is regenerated.
 # --------------------------------------------------------------------------
 
-
 VERSION = "0.1.0"
diff --git a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/Validation/validation/_version.py b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/Validation/validation/_version.py
index 09e1437196f..eae7c95b6fb 100644
--- a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/Validation/validation/_version.py
+++ b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/Validation/validation/_version.py
@@ -6,5 +6,4 @@
 # Changes may cause incorrect behavior and will be lost if the code is regenerated.
 # --------------------------------------------------------------------------
 
-
 VERSION = "0.1.0"
diff --git a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/Xml/xmlservice/_version.py b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/Xml/xmlservice/_version.py
index 09e1437196f..eae7c95b6fb 100644
--- a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/Xml/xmlservice/_version.py
+++ b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/Xml/xmlservice/_version.py
@@ -6,5 +6,4 @@
 # Changes may cause incorrect behavior and will be lost if the code is regenerated.
 # --------------------------------------------------------------------------
 
-
 VERSION = "0.1.0"
diff --git a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/XmsErrorResponse/xmserrorresponse/_version.py b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/XmsErrorResponse/xmserrorresponse/_version.py
index 09e1437196f..eae7c95b6fb 100644
--- a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/XmsErrorResponse/xmserrorresponse/_version.py
+++ b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/XmsErrorResponse/xmserrorresponse/_version.py
@@ -6,5 +6,4 @@
 # Changes may cause incorrect behavior and will be lost if the code is regenerated.
 # --------------------------------------------------------------------------
 
-
 VERSION = "0.1.0"
diff --git a/packages/autorest.python/test/vanilla/legacy/tox.ini b/packages/autorest.python/test/vanilla/legacy/tox.ini
index 554ca00a277..b3ed9be208b 100644
--- a/packages/autorest.python/test/vanilla/legacy/tox.ini
+++ b/packages/autorest.python/test/vanilla/legacy/tox.ini
@@ -6,7 +6,7 @@ skipsdist=True
 passenv=*
 deps=
     -r requirements.txt
-    -r ../../../../../eng/requirements.txt
+    -r ../../../../../eng/dev_requirements.txt
 commands=
     pytest --cov=Expected
 
diff --git a/packages/autorest.python/test/vanilla/version-tolerant/tox.ini b/packages/autorest.python/test/vanilla/version-tolerant/tox.ini
index 5607b036ed2..dc08aa10850 100644
--- a/packages/autorest.python/test/vanilla/version-tolerant/tox.ini
+++ b/packages/autorest.python/test/vanilla/version-tolerant/tox.ini
@@ -6,14 +6,14 @@ skipsdist=True
 passenv=*
 deps=
     -r requirements.txt
-    -r ../../../../../eng/requirements.txt
+    -r ../../../../../eng/dev_requirements.txt
 commands=
     pytest --cov=Expected
 
 [testenv:lint]
 deps=
     -r requirements.txt
-    -r ../../../../../eng/requirements.txt
+    -r ../../../../../eng/dev_requirements.txt
 commands =
     pip install azure-pylint-guidelines-checker==0.4.1 --index-url="https://pkgs.dev.azure.com/azure-sdk/public/_packaging/azure-sdk-for-python/pypi/simple/"
     python ../../../../../eng/scripts/run_pylint.py -t vanilla -g version-tolerant {posargs}
diff --git a/packages/typespec-python/dev_requirements.txt b/packages/typespec-python/dev_requirements.txt
index 882bccef2fa..8554ac4ae26 100644
--- a/packages/typespec-python/dev_requirements.txt
+++ b/packages/typespec-python/dev_requirements.txt
@@ -1,2 +1,15 @@
--r ../../eng/requirements.txt
--r ../../eng/dev_requirements.txt
+# shall keep aligned with dev_requirements.txt of @typspec/http-client-python
+pyright==1.1.389
+pylint==3.2.7
+tox==4.16.0
+mypy==1.13.0
+colorama==0.4.6
+debugpy==1.8.2
+pytest==8.3.2
+coverage==7.6.1
+black==24.8.0
+ptvsd==4.3.2
+types-PyYAML==6.0.12.8
+
+# additional dependency needed for development
+setuptools
\ No newline at end of file
diff --git a/packages/typespec-python/generator/dev_requirements.txt b/packages/typespec-python/generator/dev_requirements.txt
deleted file mode 100644
index 48aa514dc54..00000000000
--- a/packages/typespec-python/generator/dev_requirements.txt
+++ /dev/null
@@ -1,12 +0,0 @@
-pyright==1.1.375
-pylint==3.2.6
-tox==4.16.0
-mypy==1.10.1
-azure-pylint-guidelines-checker==0.0.8
-colorama==0.4.6
-debugpy==1.8.2
-pytest==8.3.2
-coverage==7.6.1
-black==24.8.0
-ptvsd==4.3.2
-types-PyYAML==6.0.12.8
diff --git a/packages/typespec-python/generator/requirements.txt b/packages/typespec-python/generator/requirements.txt
deleted file mode 100644
index bebbbb5a645..00000000000
--- a/packages/typespec-python/generator/requirements.txt
+++ /dev/null
@@ -1,12 +0,0 @@
-black==24.4.0
-click==8.1.3
-docutils==0.19
-Jinja2==3.1.4
-m2r2==0.3.3
-MarkupSafe==2.1.2
-mistune==0.8.4
-pathspec==0.11.1
-platformdirs==3.2.0
-PyYAML==6.0.1
-tomli==2.0.1
-setuptools==69.2.0
diff --git a/packages/typespec-python/package.json b/packages/typespec-python/package.json
index 895b7414b1e..fb578923462 100644
--- a/packages/typespec-python/package.json
+++ b/packages/typespec-python/package.json
@@ -30,11 +30,11 @@
     "clean": "rimraf ./dist ./temp ./venv ./node_modules",
     "build": "tsc -p .",
     "watch": "tsc -p . --watch",
+    "install": "tsx ./scripts/run-python3.ts ./scripts/install.py",
+    "prepare": "tsx ./scripts/run-python3.ts ./scripts/prepare.py",
     "lint": "tsx ./scripts/eng/lint.ts",
     "lint:fix": "eslint . --fix --ext .ts",
     "format": "npx prettier **/*.ts --write && tsx ./scripts/eng/format.ts",
-    "install": "tsx ./scripts/run-python3.ts ./scripts/install.py",
-    "prepare": "tsx ./scripts/run-python3.ts ./scripts/prepare.py",
     "regenerate": "tsx ./scripts/eng/regenerate.ts",
     "test": "tsx ./scripts/eng/run-tests.ts"
   },
@@ -60,7 +60,7 @@
     "js-yaml": "~4.1.0",
     "semver": "~7.6.2",
     "tsx": "~4.19.1",
-    "@typespec/http-client-python": "~0.4.4",
+    "@typespec/http-client-python": "~0.5.0",
     "fs-extra": "~11.2.0"
   },
   "devDependencies": {
diff --git a/packages/typespec-python/scripts/eng/lint.ts b/packages/typespec-python/scripts/eng/lint.ts
index 271d54a4b5d..d4890d40d85 100644
--- a/packages/typespec-python/scripts/eng/lint.ts
+++ b/packages/typespec-python/scripts/eng/lint.ts
@@ -40,10 +40,16 @@ const argv = yargs(hideBin(process.argv))
     }).argv as Arguments;
 
 export function pylint() {
-    runCommand(`pylint ${argv.folderName}/ --rcfile ./scripts/eng/pylintrc`, "pylint");
+    if (checkPythonFile(argv.folderName)) {
+        runCommand(`pylint ${argv.folderName}/ --rcfile ./scripts/eng/pylintrc`, "pylint");
+    } else {
+        console.log("No python file found in the directory");
+        console.log("pylint passed");
+    }
 }
+
 function checkPythonFile(directory: string): boolean {
-    const files = fs.readdirSync(directory);
+    const files = fs.existsSync(directory) ? fs.readdirSync(directory) : [];
     for (let i = 0; i < files.length; i++) {
         if (path.extname(files[i]) === ".py") {
             return true;
@@ -62,7 +68,12 @@ export function mypy() {
 }
 
 export function pyright() {
-    runCommand(`pyright ${argv.folderName}/ -p ./scripts/eng/pyrightconfig.json`, "pyright");
+    if (checkPythonFile(argv.folderName)) {
+        runCommand(`pyright ${argv.folderName}/ -p ./scripts/eng/pyrightconfig.json`, "pyright");
+    } else {
+        console.log("No python file found in the directory");
+        console.log("pyright passed");
+    }
 }
 
 export function eslint() {
diff --git a/packages/typespec-python/scripts/install.py b/packages/typespec-python/scripts/install.py
index 94374312ac6..8da475aea26 100644
--- a/packages/typespec-python/scripts/install.py
+++ b/packages/typespec-python/scripts/install.py
@@ -41,7 +41,6 @@ def main():
         venv_context = env_builder.context
 
         python_run(venv_context, "pip", ["install", "-U", "pip"])
-        python_run(venv_context, "pip", ["install", "-r", f"{_ROOT_DIR}/generator/requirements.txt"])
 
 
 if __name__ == "__main__":
diff --git a/packages/typespec-python/scripts/prepare.py b/packages/typespec-python/scripts/prepare.py
index f01a5256676..eb89f7555b2 100644
--- a/packages/typespec-python/scripts/prepare.py
+++ b/packages/typespec-python/scripts/prepare.py
@@ -29,7 +29,7 @@ def main():
     env_builder = venv.EnvBuilder(with_pip=True)
     venv_context = env_builder.ensure_directories(venv_path)
     try:
-        python_run(venv_context, "pip", ["install", "-r", f"{_ROOT_DIR}/generator/dev_requirements.txt"])
+        python_run(venv_context, "pip", ["install", "-r", f"{_ROOT_DIR}/dev_requirements.txt"])
     except FileNotFoundError as e:
         raise ValueError(e.filename)
 
diff --git a/packages/typespec-python/test/azure/tox.ini b/packages/typespec-python/test/azure/tox.ini
index 893603e8790..f6eb0985663 100644
--- a/packages/typespec-python/test/azure/tox.ini
+++ b/packages/typespec-python/test/azure/tox.ini
@@ -6,7 +6,7 @@ skipsdist=True
 passenv=*
 deps=
     -r requirements.txt
-    -r ../../../../eng/requirements.txt
+    -r ../../../../eng/dev_requirements.txt
 commands=
     pytest
 
@@ -17,7 +17,7 @@ commands =
 [testenv:lint]
 deps=
     -r requirements.txt
-    -r ../../../../eng/requirements.txt
+    -r ../../../../eng/dev_requirements.txt
 commands =
     pip install azure-pylint-guidelines-checker==0.4.1 --index-url="https://pkgs.dev.azure.com/azure-sdk/public/_packaging/azure-sdk-for-python/pypi/simple/"
     python ../../../../eng/scripts/run_pylint.py -p typespec-python -t azure -s "generated" {posargs}
diff --git a/packages/typespec-python/test/unbranded/tox.ini b/packages/typespec-python/test/unbranded/tox.ini
index 6db81171630..0618e6f1203 100644
--- a/packages/typespec-python/test/unbranded/tox.ini
+++ b/packages/typespec-python/test/unbranded/tox.ini
@@ -6,7 +6,7 @@ skipsdist=True
 passenv=*
 deps=
     -r requirements.txt
-    -r ../../../../eng/requirements.txt
+    -r ../../../../eng/dev_requirements.txt
 commands=
     pytest
 
@@ -17,7 +17,7 @@ commands =
 [testenv:lint]
 deps=
     -r requirements.txt
-    -r ../../../../eng/requirements.txt
+    -r ../../../../eng/dev_requirements.txt
 commands =
     pip install azure-pylint-guidelines-checker==0.4.1 --index-url="https://pkgs.dev.azure.com/azure-sdk/public/_packaging/azure-sdk-for-python/pypi/simple/"
     python ../../../../eng/scripts/run_pylint.py -p typespec-python -t unbranded -s "generated" {posargs}
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index ad312389921..e9b7f8e8b7f 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -54,8 +54,8 @@ importers:
         specifier: ~1.0.2
         version: 1.0.2
       '@typespec/http-client-python':
-        specifier: ~0.4.4
-        version: 0.4.4(3vals54vp74j2sypwpyzyguv24)
+        specifier: ~0.5.0
+        version: 0.5.0(3vals54vp74j2sypwpyzyguv24)
       fs-extra:
         specifier: ~11.2.0
         version: 11.2.0
@@ -76,8 +76,8 @@ importers:
   packages/typespec-python:
     dependencies:
       '@typespec/http-client-python':
-        specifier: ~0.4.4
-        version: 0.4.4(3vals54vp74j2sypwpyzyguv24)
+        specifier: ~0.5.0
+        version: 0.5.0(3vals54vp74j2sypwpyzyguv24)
       fs-extra:
         specifier: ~11.2.0
         version: 11.2.0
@@ -1202,8 +1202,8 @@ packages:
     engines: {node: '>=18.0.0'}
     hasBin: true
 
-  '@typespec/http-client-python@0.4.4':
-    resolution: {integrity: sha512-zp9MawS7VstDuNkCyrNNuE4e3nFmAsz05dPc/GvhREpSQbsZCkagssiAx24O1deElvhsVOp6Iy0XMXtR75PRVQ==}
+  '@typespec/http-client-python@0.5.0':
+    resolution: {integrity: sha512-CP6NJU0RNW4ixnSvy5Bi2XxQiXPW8FnDi/jO+ZfV7fPkPJVQkUST/flwFiciQ0XNU0VCsRY+GSrBzpTTytUP1A==}
     engines: {node: '>=18.0.0'}
     peerDependencies:
       '@azure-tools/typespec-autorest': '>=0.49.0 <1.0.0'
@@ -2996,6 +2996,10 @@ packages:
   pure-rand@6.1.0:
     resolution: {integrity: sha512-bVWawvoZoBYpp6yIoQtQXHZjmz35RSVHnUOTefl8Vcjr8snTPY1wnpSPMWekcFwbxI6gtmT7rSYPFvz71ldiOA==}
 
+  pyodide@0.26.2:
+    resolution: {integrity: sha512-8VCRdFX83gBsWs6XP2rhG8HMaB+JaVyyav4q/EMzoV8fXH8HN6T5IISC92SNma6i1DRA3SVXA61S1rJcB8efgA==}
+    engines: {node: '>=18.0.0'}
+
   qs@6.13.0:
     resolution: {integrity: sha512-+38qI9SOr8tfZ4QmJNplMUxqjbe7LKvvZgWdExBOmd+egZTtjLB67Gu0HRX3u/XOq7UU2Nx6nsjvS16Z9uwfpg==}
     engines: {node: '>=0.6'}
@@ -3691,6 +3695,18 @@ packages:
   wrappy@1.0.2:
     resolution: {integrity: sha512-l4Sp/DRseor9wL6EvV2+TuQn63dMkPjZ/sp9XkghTEbV9KlPS1xUsZ3u7/IQO4wxtcFB4bgpQPRcR3QCvezPcQ==}
 
+  ws@8.18.0:
+    resolution: {integrity: sha512-8VbfWfHLbbwu3+N6OKsOMpBdT4kXPDDB9cJk2bJ6mh9ucxdlnNvH1e+roYkKmN9Nxw2yjz7VzeO9oOz2zJ04Pw==}
+    engines: {node: '>=10.0.0'}
+    peerDependencies:
+      bufferutil: ^4.0.1
+      utf-8-validate: '>=5.0.2'
+    peerDependenciesMeta:
+      bufferutil:
+        optional: true
+      utf-8-validate:
+        optional: true
+
   xml2js@0.6.2:
     resolution: {integrity: sha512-T4rieHaC1EXcES0Kxxj4JWgaUQHDk+qwHcYOCFHfiwKz7tOVPLq7Hjq9dM1WCMhylqMEfP7hMcOIChvotiZegA==}
     engines: {node: '>=4.0.0'}
@@ -4852,7 +4868,7 @@ snapshots:
       yaml: 2.5.1
       yargs: 17.7.2
 
-  '@typespec/http-client-python@0.4.4(3vals54vp74j2sypwpyzyguv24)':
+  '@typespec/http-client-python@0.5.0(3vals54vp74j2sypwpyzyguv24)':
     dependencies:
       '@azure-tools/typespec-autorest': 0.49.0(f6dpljntn5qjht2uh6yzcx3zty)
       '@azure-tools/typespec-azure-core': 0.49.0(@typespec/compiler@0.63.0)(@typespec/http@0.63.0(@typespec/compiler@0.63.0))(@typespec/rest@0.63.0(@typespec/compiler@0.63.0)(@typespec/http@0.63.0(@typespec/compiler@0.63.0)))
@@ -4865,8 +4881,12 @@ snapshots:
       '@typespec/rest': 0.63.0(@typespec/compiler@0.63.0)(@typespec/http@0.63.0(@typespec/compiler@0.63.0))
       '@typespec/versioning': 0.63.0(@typespec/compiler@0.63.0)
       js-yaml: 4.1.0
+      pyodide: 0.26.2
       semver: 7.6.3
       tsx: 4.19.2
+    transitivePeerDependencies:
+      - bufferutil
+      - utf-8-validate
 
   '@typespec/http-specs@0.1.0-alpha.5(@typespec/compiler@0.63.0)(@typespec/http@0.63.0(@typespec/compiler@0.63.0))(@typespec/rest@0.63.0(@typespec/compiler@0.63.0)(@typespec/http@0.63.0(@typespec/compiler@0.63.0)))(@typespec/versioning@0.63.0(@typespec/compiler@0.63.0))(@typespec/xml@0.59.0(@typespec/compiler@0.63.0))':
     dependencies:
@@ -6955,6 +6975,13 @@ snapshots:
 
   pure-rand@6.1.0: {}
 
+  pyodide@0.26.2:
+    dependencies:
+      ws: 8.18.0
+    transitivePeerDependencies:
+      - bufferutil
+      - utf-8-validate
+
   qs@6.13.0:
     dependencies:
       side-channel: 1.0.6
@@ -7737,6 +7764,8 @@ snapshots:
 
   wrappy@1.0.2: {}
 
+  ws@8.18.0: {}
+
   xml2js@0.6.2:
     dependencies:
       sax: 1.4.1