def get_app_upload_status(self, reservation_id):
    return self.call(self.MAX_RETRIES, self.server.get_app_upload_status,
      reservation_id, self.secret)
Queries the AppController to see if the App Engine app corresponding to
dataset/ETHPy150Open AppScale/appscale/AppServer/google/appengine/api/appcontroller_client.py/AppControllerClient.get_app_upload_status