code: def poll(self):
          
          response = self.client.protocol.get('/uploads/{upload_id}',
                                              upload_id=self.upload_id,
                                              check_for_errors=False)
  
          self.update_from_response(response)
docs: Update internal state from polling strava.com.
  
          :raise stravalib.exc.ActivityUploadFailed: If the poll returns an error.