set fanEnabled=false in python instead of requiring setting env before running the script and optimize import

Author: jshum2479

core/src/main/python/create.py

@@ -6,23 +6,19 @@
 """
 import javaos as os
 import sys
-
-
 from java.io import IOException
 from java.lang import IllegalArgumentException
 from java.lang import IllegalStateException
 from java.lang import String
-from java.io import File
-
 from oracle.weblogic.deploy.create import CreateException
 from oracle.weblogic.deploy.deploy import DeployException
 from oracle.weblogic.deploy.util import CLAException
 from oracle.weblogic.deploy.util import FileUtils
 from oracle.weblogic.deploy.util import TranslateException
 from oracle.weblogic.deploy.util import VariableException
-from oracle.weblogic.deploy.util import WebLogicDeployToolingVersion
 from oracle.weblogic.deploy.util import WLSDeployArchive
 from oracle.weblogic.deploy.util import WLSDeployArchiveIOException
+from oracle.weblogic.deploy.util import WebLogicDeployToolingVersion
 from oracle.weblogic.deploy.validate import ValidateException
 
 sys.path.append(os.path.dirname(os.path.realpath(sys.argv[0])))
@@ -345,6 +341,7 @@ def validateRCUArgsAndModel(model_context, model):
         has_atpdbinfo = atp_helper.has_atpdbinfo(rcu_db_info)
 
         if model_context.get_archive_file_name() and not has_regular_db:
+            os.environ['oracle.jdbc.fanEnabled'] = 'false'
             # 1. If it does not have the oracle.net.tns_admin specified, then extract to domain/atpwallet
             # 2. If it is plain old regular oracle db, do nothing
             # 3. If it deos not have tns_admin in the model, then the wallet must be in the archive