Remove an address or multiple addresses

        :param address: list of addresses to remove
        :type address: str or list[str]

def remove(self, address):
        """ Remove an address or multiple addresses

        :param address: list of addresses to remove
        :type address: str or list[str]
        """
        recipients = []
        if isinstance(address, str):
            address = {address}  # set
        elif isinstance(address, (list, tuple)):
            address = set(address)

        for recipient in self._recipients:
            if recipient.address not in address:
                recipients.append(recipient)
        if len(recipients) != len(self._recipients):
            self._track_changes()
        self._recipients = recipients