diff --git a/awx/api/generics.py b/awx/api/generics.py
index 605c824468..e8c6a1874b 100644
--- a/awx/api/generics.py
+++ b/awx/api/generics.py
@@ -2,7 +2,6 @@
 # All Rights Reserved.
 
 # Python
-from collections import OrderedDict
 import inspect
 import logging
 import time
@@ -189,7 +188,7 @@ class GenericAPIView(generics.GenericAPIView, APIView):
             # Always remove read only fields from serializer.
             for name, field in serializer.fields.items():
                 if getattr(field, 'read_only', None):
-                     del serializer.fields[name]
+                    del serializer.fields[name]
             serializer._data = self.update_raw_data(serializer.data)
         return serializer
 
diff --git a/awx/api/serializers.py b/awx/api/serializers.py
index 1c8fd17bd8..0b0526a0ee 100644
--- a/awx/api/serializers.py
+++ b/awx/api/serializers.py
@@ -1251,7 +1251,7 @@ class InventorySourceOptionsSerializer(BaseSerializer):
         source = attrs.get('source', self.instance and self.instance.source or '')
         source_script = attrs.get('source_script', self.instance and self.instance.source_script or '')
         if source == 'custom':
-            if not source_script is None or source_script == '':
+            if source_script is None or source_script == '':
                 errors['source_script'] = 'source_script must be provided'
             else:
                 try:
diff --git a/awx/api/views.py b/awx/api/views.py
index aebe4e0a91..4b316ffd77 100644
--- a/awx/api/views.py
+++ b/awx/api/views.py
@@ -577,7 +577,7 @@ class AuthTokenView(APIView):
             # Always remove read only fields from serializer.
             for name, field in serializer.fields.items():
                 if getattr(field, 'read_only', None):
-                     del serializer.fields[name]
+                    del serializer.fields[name]
             serializer._data = self.update_raw_data(serializer.data)
         return serializer