Fix some ruff lint warnings

barcode/codex.py

@@ -6,7 +6,6 @@
 from __future__ import annotations
 
 from typing import TYPE_CHECKING
-from typing import Collection
 from typing import Literal
 
 from barcode.base import Barcode
@@ -17,6 +16,8 @@
 from barcode.errors import NumberOfDigitsError
 
 if TYPE_CHECKING:
+    from collections.abc import Collection
+
     from barcode.writer import BaseWriter
 
 __docformat__ = "restructuredtext en"

barcode/writer.py

@@ -11,7 +11,7 @@
 from barcode.version import version
 
 if TYPE_CHECKING:
-    from typing import Generator
+    from collections.abc import Generator
     from typing import Literal
 
     from PIL.Image import Image as T_Image

tests/test_manually.py

@@ -4,7 +4,7 @@
 
 import codecs
 import os
-from typing import Iterator
+from typing import TYPE_CHECKING
 
 import pytest
 
@@ -13,6 +13,9 @@
 from barcode import version
 from barcode.writer import ImageWriter
 
+if TYPE_CHECKING:
+    from collections.abc import Iterator
+
 PATH = os.path.dirname(os.path.abspath(__file__))
 TESTPATH = os.path.join(PATH, "test_outputs")
 HTMLFILE = os.path.join(TESTPATH, "index.html")