docs: def _query_wrap(fun, *args, **kwargs):
      """Wait until at least QUERY_WAIT_TIME seconds have passed
      since the last invocation of this function, then call the given
      function with the given arguments.
      """
      with _query_lock:
          global _last_query_time
          since_last_query = time.time() - _last_query_time
          if since_last_query < QUERY_WAIT_TIME:
              time.sleep(QUERY_WAIT_TIME - since_last_query)
          _last_query_time = time.time()
          return fun(*args, **kwargs)