Modernize Python 2 code to get ready for Python 3

awx/api/parsers.py

@@ -33,7 +33,7 @@ class OrderedDictLoader(yaml.SafeLoader):
             key = self.construct_object(key_node, deep=deep)
             try:
                 hash(key)
-            except TypeError, exc:
+            except TypeError as exc:
                 raise yaml.constructor.ConstructorError(
                     "while constructing a mapping", node.start_mark,
                     "found unacceptable key (%s)" % exc, key_node.start_mark

awx/api/serializers.py

@@ -1173,7 +1173,7 @@ class InventorySerializer(BaseSerializerWithVariables):
         if host_filter:
             try:
                 SmartFilter().query_from_string(host_filter)
-            except RuntimeError, e:
+            except RuntimeError as e:
                 raise models.base.ValidationError(e)
         return host_filter
 

awx/api/views.py

@@ -2042,7 +2042,7 @@ class InventoryDetail(ControlledByScmMixin, RetrieveUpdateDestroyAPIView):
         try:
             obj.schedule_deletion(getattr(request.user, 'id', None))
             return Response(status=status.HTTP_202_ACCEPTED)
-        except RuntimeError, e:
+        except RuntimeError as e:
             return Response(dict(error=_("{0}".format(e))), status=status.HTTP_400_BAD_REQUEST)