def get_join_info(self):
        """If `self` is a MUC room join request return the information contained.

        :return: the join request details or `None`.
        :returntype: `MucX`
        """
        x=self.get_muc_child()
        if not x:
            return None
        if not isinstance(x,MucX):
            return None
        return x
def get_join_info(self):
        """If `self` is a MUC room join request return the information contained.

        :return: the join request details or `None`.
        :returntype: `MucX`
        """
        x=self.get_muc_child()
        if not x:
            return None
        if not isinstance(x,MucX):
            return None
        return x
def get_join_info ( self ) : x = self . get_muc_child ( ) if not x : return None if not isinstance ( x , MucX ) : return None return x
If `self` is a MUC room join request return the information contained.

        :return: the join request details or `None`.
        :returntype: `MucX`
If self is a MUC room join request return the information contained .