Fix undefined variable if get_profile_observatory_link() fails (#1590)

Bail out early if `get_profile_observatory_link()` fails since the rest
of the methods require a valid `response`.

- [ ] I have reviewed the [Guidelines for Contributing](CONTRIBUTING.md)
and the [Code of Conduct](CODE_OF_CONDUCT.md).

python/whylogs/api/whylabs/session/session.py

@@ -292,9 +292,13 @@ def upload_reference_profiles(self, profile_aliases: Dict[str, ResultSet]) -> Un
 
         org_id = self.config.require_org_id()
         dataset_id = self.config.require_default_dataset_id()
-        response: GetProfileObservatoryLinkResponse = self._whylabs_log_api.value.get_profile_observatory_link(
-            dataset_id, org_id, request
-        )
+        try:
+            response: GetProfileObservatoryLinkResponse = self._whylabs_log_api.value.get_profile_observatory_link(
+                dataset_id, org_id, request
+            )
+        except Exception as e:
+            logger.info(f"Convenience profile links could not be generated for the sucessfully uploading profiles: {e}")
+            return NotSupported()
 
         return UploadResult(
             viewing_url=response.observatory_url,
@@ -331,6 +335,7 @@ def upload_batch_profile(self, profile: ResultSet) -> Union[UploadResult, NotSup
             )
         except Exception as e:
             logger.info(f"Convenience profile links could not be generated for the sucessfully uploading profiles: {e}")
+            return NotSupported()
 
         profile_url = response.observatory_url if response else ""
         individual_urls = response.individual_observatory_urls if response else None