Merge pull request #3095 from quay/joseph.schorr/QUAY-957/catch-exc

Fix exception in storage replication worker

workers/storagereplication.py

@@ -43,8 +43,9 @@ class StorageReplicationWorker(QueueWorker):
     locations = model.user.get_region_locations(namespace)
 
     # Lookup the image storage.
+    try:
       partial_storage = model.storage.get_storage_by_uuid(storage_uuid)
-    if not partial_storage:
+    except model.InvalidImageException:
       logger.debug('Unknown storage: %s', storage_uuid)
       return True