fix flake8 errors

Author: itziakos

win32ctypes/core/ctypes/_authentication.py

@@ -9,7 +9,6 @@
 from ctypes import POINTER, Structure, c_char_p, cast
 from ctypes.wintypes import (
     BOOL, DWORD, FILETIME, LPCWSTR, LPWSTR)
-from weakref import WeakKeyDictionary
 
 from win32ctypes.core.compat import is_text
 from ._common import LPBYTE, _PyBytes_FromStringAndSize

win32ctypes/tests/test_authentication.py

@@ -5,7 +5,6 @@
 # This file is open source software distributed according to the terms in
 # LICENSE.txt
 #
-import gc
 import unittest
 
 from win32ctypes.core import _backend
@@ -54,7 +53,6 @@ def test_fromdict(self):
             self.assertEqual(result.UserName, username)
             self.assertIsNone(result.TargetAlias)
 
-
     def test_roundtrip(self):
         # given
         username = 'john'
@@ -84,7 +82,7 @@ def test_roundtrip(self):
             if _backend == 'ctypes':
                 self.assertIsInstance(result['LastWritten'], FILETIME)
             del result['LastWritten']
-            result['CredentialBlob'] = result['CredentialBlob'].decode('utf-16')
+            result['CredentialBlob'] = result['CredentialBlob'].decode('utf-16')  # noqa
             attribute = result['Attributes'][0]
             attribute['Value'] = attribute['Value'].decode('utf-16')
             self.assertEqual(result, data)

win32ctypes/tests/test_win32cred.py

@@ -43,6 +43,7 @@ def _demo_attributes(multiple=False):
     else:
         return (attribute1,)
 
+
 def _demo_credentials(UserName=u'jone', multiple=False):
     return {
         'Type': CRED_TYPE_GENERIC,
@@ -53,6 +54,7 @@ def _demo_credentials(UserName=u'jone', multiple=False):
         'Comment': u'Created by MiniPyWin32Cred test suite',
         'Persist': CRED_PERSIST_ENTERPRISE}
 
+
 TEST_SUPPORTED_CREDENTIALS = [
     (_demo_credentials(), _demo_attributes()),
     (_demo_credentials(UserName=None), _demo_attributes())]