Returns the first recipient found with a non blank address

        :return: First Recipient
        :rtype: Recipient

def get_first_recipient_with_address(self):
        """ Returns the first recipient found with a non blank address

        :return: First Recipient
        :rtype: Recipient
        """
        recipients_with_address = [recipient for recipient in self._recipients
                                   if recipient.address]
        if recipients_with_address:
            return recipients_with_address[0]
        else:
            return None