code: def request_info_of_jids(self, peer_jids: Union[str, List[str]]):
          
          return self._send_xmpp_element(roster.BatchPeerInfoRequest(peer_jids))
docs: Requests basic information (username, display name, picture) of some peer JIDs.
          When the information arrives, the callback on_peer_info_received() will fire.
  
          :param peer_jids: The JID(s) for which to request the information. If you want to request information for
                            more than one JID, supply a list of strings. Otherwise, supply a string