과제 제출하려고 하면 오류가 납니다.

안녕하세요. 과제 제출하려고 하는데 계속 오류가 나서 질문 남깁니다.

다른 분이 질문해주셨던데 저도 bash submit.sh key 로 과제 제출하려고 하면 아래와 같이 뜹니다.

다른 분 질문에 답변 주신 것처럼 uninstall 하고 pip install -U "backend.ai-client~=1.5.0"로 다시 install하고 bash install.sh했는데도 여전히 submit.sh를 하면 아래와 같이 나옵니다.

해결 방법 알려주시면 감사하겠습니다~

∙ Session token prefix: 9f5562d0b9

∙ In the legacy mode, all cases will run serially!

Traceback (most recent call last):

File "/Users/lea/miniconda3/lib/python3.7/site-packages/ai/backend/client/cli/run.py", line 400, in _run_legacy

tag=tag)

File "/Users/lea/miniconda3/lib/python3.7/site-packages/ai/backend/client/base.py", line 21, in _method

return cls.session.worker_thread.execute(coro)

File "/Users/lea/miniconda3/lib/python3.7/site-packages/ai/backend/client/session.py", line 64, in execute

raise result

File "/Users/lea/miniconda3/lib/python3.7/site-packages/ai/backend/client/session.py", line 48, in run

result = loop.run_until_complete(coro)

File "/Users/lea/miniconda3/lib/python3.7/asyncio/base_events.py", line 573, in run_until_complete

return future.result()

File "/Users/lea/miniconda3/lib/python3.7/site-packages/ai/backend/client/kernel.py", line 107, in get_or_create

async with rqst.fetch() as resp:

File "/Users/lea/miniconda3/lib/python3.7/site-packages/ai/backend/client/request.py", line 391, in aenter

raise BackendAPIError(raw_resp.status, raw_resp.reason, msg)

ai.backend.client.exceptions.BackendAPIError: BackendAPIError(500, 'Internal Server Error', {'type': 'https://api.backend.ai/probs/kernel-creation-failed', 'title': 'Kernel creation has failed.', 'agent-details': {'type': 'https://api.backend.ai/probs/agent-timeout', 'title': None}})

During handling of the above exception, another exception occurred:

Traceback (most recent call last):

File "/Users/lea/miniconda3/bin/backend.ai", line 11, in

sys.exit(main())

File "/Users/lea/miniconda3/lib/python3.7/site-packages/click/core.py", line 764, in call

return self.main(args, kwargs)

File "/Users/lea/miniconda3/lib/python3.7/site-packages/click/core.py", line 717, in main

rv = self.invoke(ctx)

File "/Users/lea/miniconda3/lib/python3.7/site-packages/click/core.py", line 1137, in invoke

return _process_result(sub_ctx.command.invoke(sub_ctx))

File "/Users/lea/miniconda3/lib/python3.7/site-packages/click/core.py", line 956, in invoke

return ctx.invoke(self.callback, ctx.params)

File "/Users/lea/miniconda3/lib/python3.7/site-packages/click/core.py", line 555, in invoke

return callback(args, **kwargs)

File "/Users/lea/miniconda3/lib/python3.7/site-packages/ai/backend/client/cli/run.py", line 610, in run

_run_cases_legacy()

File "/Users/lea/miniconda3/lib/python3.7/site-packages/ai/backend/client/cli/run.py", line 574, in _run_cases_legacy

clean_cmd, build_cmd, exec_cmd)

File "/Users/lea/miniconda3/lib/python3.7/site-packages/ai/backend/client/cli/run.py", line 402, in _run_legacy

print_error(e)

File "/Users/lea/miniconda3/lib/python3.7/site-packages/ai/backend/client/cli/pretty.py", line 141, in print_error

text = ''.join(format_error(exc))

File "/Users/lea/miniconda3/lib/python3.7/site-packages/ai/backend/client/cli/pretty.py", line 122, in format_error

yield 'nu279c ' + agent_details['title']

TypeError: can only concatenate str (not "NoneType") to str