[mypy/requests] code fixes because of types-requests changes (#3889)

`types-requests` now allows `HTTPError.response` to be `None` and in order to make mypy happy, we need to check for it

see python/typeshed#10875

Signed-off-by: Gerd Oberlechner <[email protected]>

Author: geoberle

reconcile/utils/internal_groups/client.py

@@ -46,7 +46,7 @@ def _check_response(self, resp: requests.Response) -> None:
         try:
             resp.raise_for_status()
         except requests.exceptions.HTTPError as e:
-            if e.response.status_code == 404:
+            if e.response is not None and e.response.status_code == 404:
                 raise NotFound
             raise