Traceback (most recent call last):


 "/judge/dmoj/packet.py", line 151, in _read_forever

self._receive_packet(self._read_single())


 "/judge/dmoj/packet.py", line 240, in _receive_packet

self.ping_packet(packet['when'])


 "/judge/dmoj/packet.py", line 364, in ping_packet

self._send_packet(data)


 "/judge/dmoj/packet.py", line 235, in _send_packet

self.output.writelines((PacketManager.SIZE_PACK.pack(len(raw)), raw))


 "/usr/lib/python3.8/socket.py", line 687, in write

return self._sock.send(b)


 "/usr/lib/python3.8/ssl.py", line 1173, in send

return self._sslobj.write(data)
BrokenPipeError: [Errno 32] Broken pipe

Traceback (most recent call last):


 "/usr/lib/python3/dist-packages/requests/adapters.py", line 439, in send

resp = conn.urlopen(


 "/usr/lib/python3/dist-packages/urllib3/connectionpool.py", line 755, in urlopen

retries = retries.increment(


 "/usr/lib/python3/dist-packages/urllib3/util/retry.py", line 573, in increment

raise MaxRetryError(_pool, url, error or ResponseError(cause))
urllib3.exceptions.MaxRetryError: HTTPConnectionPool(host='127.0.0.1', port=9): Max retries exceeded with url: http://127.0.0.1:43601/stats/failures/csv (Caused by ProxyError('Cannot connect to proxy.', NewConnectionError('<urllib3.connection.HTTPConnection object at 0x7fc65116a5e0>: Failed to establish a new connection: [Errno 111] Connection refused')))
