code: def unbind(self, queue, exchange, routing_key='', arguments={},
                 ticket=None, cb=None):
          '''
          Unbind a queue from an exchange.  This is always synchronous.
          '''
          args = Writer()
          args.write_short(ticket or self.default_ticket).\
              write_shortstr(queue).\
              write_shortstr(exchange).\
              write_shortstr(routing_key).\
              write_table(arguments)
          self.send_frame(MethodFrame(self.channel_id, 50, 50, args))
  
          self._unbind_cb.append(cb)
          self.channel.add_synchronous_cb(self._recv_unbind_okf unbind(self, queue, exchange, routing_key='', arguments={},
                 ticket=None, cb=None):
          '''
          Unbind a queue from an exchange.  This is always synchronous.
          '''
          args = Writer()
          args.write_short(ticket or self.default_ticket).\
              write_shortstr(queue).\
              write_shortstr(exchange).\
              write_shortstr(routing_key).\
              write_table(arguments)
          self.send_frame(MethodFrame(self.channel_id, 50, 50, args))
  
          self._unbind_cb.append(cb)
          self.channel.add_synchronous_cb(self._recv_unbind_ok)
docs: Unbind a queue from an exchange.  This is always synchronous.