Traceback (most recent call last):


 "/home/ryo/.virtualenvs/default/bin/oj", line 6, in <module>

exec(compile(open(__file__).read(), __file__, 'exec'))


 "/home/ryo/work/github/online-judge-tools/oj", line 7, in <module>

onlinejudge.implementation.main.main(args=sys.argv[1:])


 "/home/ryo/work/github/online-judge-tools/onlinejudge/implementation/main.py", line 314, in main

run_program(namespace, parser=parser)


 "/home/ryo/work/github/online-judge-tools/onlinejudge/implementation/main.py", line 287, in run_program

submit(args)


 "/home/ryo/work/github/online-judge-tools/onlinejudge/implementation/command/submit.py", line 69, in submit

langs = problem.get_language_dict(session=sess)


 "/home/ryo/work/github/online-judge-tools/onlinejudge/service/atcoder.py", line 239, in get_language_dict

for option in select.find_all('option'):
AttributeError: 'NoneType' object has no attribute 'find_all'

Traceback (most recent call last):


 "/usr/local/lib/python3.7/asyncio/events.py", line 88, in _run

self._context.run(self._callback, *self._args)


 "/usr/local/lib/python3.7/site-packages/aiohttp/web_ws.py", line 102, in _send_heartbeat

self._loop.create_task(self._writer.ping())
# type: ignore
AttributeError: 'NoneType' object has no attribute 'ping'
