def Flush(self):
    """Flush the current batch.

    This first attempts to send the batch as a single request; if that
    fails because the server doesn't support batching, the files are
    sent one by one, and self.batching is reset to False.

    At the end, self.batch and self.batch_size are reset.
    """
    if not self.batch:
      return
    try:
      self.SendBatch()
    except urllib2.HTTPError, err:
      if err.code > 404:
        raise

      logging.info('Old server detected; turning off %s batching.', self.what)
      self.batching = False

      for path, payload, mime_type in self.batch:
        self.SendSingleFile(path, payload, mime_type)

      self.batch = []
      self.batch_size = 0
dataset/ETHPy150Open CollabQ/CollabQ/.google_appengine/google/appengine/tools/appcfg.py/UploadBatcher.Flush/operator `!=` -> `>`