Merge pull request #3069 from quay/joseph.schorr/QUAY-913/db-test-data

Add support for populating test data during migration testing

util/migrate/cleanup_old_robots.py

@@ -19,8 +19,11 @@ def cleanup_old_robots(page_size=50):
     for robot in list(User.select().where(User.robot == True).paginate(page_number, page_size)):
       found_bots = True
       logger.info("Checking robot %s (page %s)", robot.username, page_number)
-      namespace, _ = parse_robot_username(robot.username)
+      parsed = parse_robot_username(robot.username)
+      if parsed is None:
+        continue
 
+      namespace, _ = parsed
       if namespace in encountered_namespaces:
         if not encountered_namespaces[namespace]:
           logger.info('Marking %s to be deleted', robot.username)