Use new helper

Author: adamtheturtle

src/vws/query.py

@@ -8,8 +8,7 @@
 from vws.exceptions import MaxNumResultsOutOfRange
 
 from ._authorization import authorization_header, rfc_1123_date
-# TODO this cannot be private...
-from .vws import _raise_for_result_code
+from ._result_codes import raise_for_result_code
 
 
 class CloudRecoService:
@@ -79,5 +78,5 @@ def query(
         if 'Accepted range is from 1 to 50 (inclusive).' in response.text:
             raise MaxNumResultsOutOfRange(response=response)
 
-        _raise_for_result_code(response=response, expected_result_code='Success')
+        raise_for_result_code(response=response, expected_result_code='Success')
         return response.json()['results']