diff --git a/salt/modules/win_wua.py b/salt/modules/win_wua.py
index 2126e60abe..3fac236737 100644
--- a/salt/modules/win_wua.py
+++ b/salt/modules/win_wua.py
@@ -17,10 +17,9 @@ import salt.utils
 import salt.utils.win_update
 from salt.exceptions import CommandExecutionError
 
-# Import 3rd Party libs
+# Import 3rd-party libs
 try:
     import pythoncom
-    import pywintypes
     import win32com.client
     HAS_PYWIN32 = True
 except ImportError:
diff --git a/salt/states/win_wua.py b/salt/states/win_wua.py
index e6c52ee6be..108b5b1dd5 100644
--- a/salt/states/win_wua.py
+++ b/salt/states/win_wua.py
@@ -47,11 +47,11 @@ For removal:
          - KB3194343
          - bb1dbb26-3fb6-45fd-bb05-e3c8e379195c
 '''
-# Import python libs
+# Import Python libs
 from __future__ import absolute_import
 import logging
 
-# Import salt libs
+# Import Salt libs
 from salt.ext import six
 import salt.utils
 import salt.utils.win_update
diff --git a/salt/utils/win_update.py b/salt/utils/win_update.py
index b849dbcdff..18e42eece3 100644
--- a/salt/utils/win_update.py
+++ b/salt/utils/win_update.py
@@ -10,10 +10,10 @@ import subprocess
 # Import Salt libs
 import salt.utils
 from salt.ext import six
-from salt.ext.moves import range
+from salt.ext.six.moves import range
 from salt.exceptions import CommandExecutionError
 
-# Import 3rd Party libs
+# Import 3rd-party libs
 try:
     import win32com.client
     import pythoncom