code: def sender(self, jid: str):
          
          if jid is not None and not isinstance(jid, str):
              raise TypeError("'sender' MUST be a string")
          self._sender = aioxmpp.JID.fromstr(jid) if jid is not None else None
docs: Set jid of the sender
  
          Args:
            jid (str): jid of the sender