docs: def copy(self):
          """
          Create an inactive copy of the client object, suitable for passing
          to a separate thread.
  
          Note that the copied connections are not initialized, so :meth:`.reinit`
          must be called on the returned copy.
          """
          _conns = self._conns
          self._conns = {}
          c = copy.deepcopy(self)
          self._conns = _conns
          return c