def withdraw_open(self):
""" Withdraw this offer due to the sender no longer being open. """
Offer.withdraw(self, notify=False)
self.a.write_('Challenge to %s withdrawn.\n', (self.b.name, ))
self.b.write_(
'\n%s, who was challenging you, has become unavailable for matches.\n',
(self.a.name, ))
self.b.write_('Challenge from %s removed.\n', (self.a.name, ))
if self.variant_name == 'bughouse':
self.b.session.partner.write_(
'\n%s, who was challenging your partner, has become unavailable for matches.\n',
(self.a.name, ))
