Change access to non-optional member of 'response' as per feedback.

Author: Jay O'Conor

cc_dynamodb3/models.py

@@ -164,7 +164,7 @@ def paginated_query(cls, query_index=None, descending=False, limit=None, exclusi
                                    filter_expression=filter_expression,
                                    **query_keys)
             exclusive_start_key = lek = response.get('LastEvaluatedKey')
-            returned_count = response.get('Count')  # This is the count of Items actually returned (post filtering)
+            returned_count = response['Count']  # This is the count of Items actually returned (post filtering)
             metadata = response.get('ResponseMetadata', {})
             result_list += [cls.from_row(row, metadata) for row in response['Items']]
             remaining_count -= returned_count