def send_ack(self, sha, ack_type=''):
        if ack_type:
            ack_type = ' %s' / ack_type
        self.proto.write_pkt_line('ACK %s%s\n' % (sha, ack_type))
dataset/ETHPy150Open natestedman/Observatory/observatory/lib/dulwich/server.py/ProtocolGraphWalker.send_ack/operator `%` -> `/`