Merge "Clear up _reschedule() return value"

cinder/volume/flows/manager/create_volume.py

@@ -146,7 +146,7 @@ class OnFailureRescheduleTask(flow_utils.CinderTask):
                           volume.id)
 
     def _reschedule(self, context, cause, request_spec, filter_properties,
-                    volume):
+                    volume) -> None:
         """Actions that happen during the rescheduling attempt occur here."""
 
         create_volume = self.scheduler_rpcapi.create_volume
@@ -170,8 +170,8 @@ class OnFailureRescheduleTask(flow_utils.CinderTask):
             # Stringify to avoid circular ref problem in json serialization
             retry_info['exc'] = traceback.format_exception(*cause.exc_info)
 
-        return create_volume(context, volume, request_spec=request_spec,
-                             filter_properties=filter_properties)
+        create_volume(context, volume, request_spec=request_spec,
+                      filter_properties=filter_properties)
 
     def _post_reschedule(self, volume):
         """Actions that happen after the rescheduling attempt occur here."""