code: def kick(self, member, reason=None):
          
          yield from self.muc_set_role(
              member.nick,
              "none",
              reason=reason
          )
docs: Kick an occupant from the MUC.
  
          :param member: The member to kick.
          :type member: :class:`Occupant`
          :param reason: A reason to show to the members of the conversation
              including the kicked member.
          :type reason: :class:`str`
          :raises aioxmpp.errors.XMPPError: if the server returned an error for
                                            the kick command.
  
          .. seealso::
  
              :meth:`.AbstractConversation.kick` for the full interface
              specification.