Traceback (most recent call last):


 "/home/kaito/.local/bin/oj", line 7, in <module>

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


 "/home/kaito/.local/lib/python3.6/site-packages/onlinejudge/implementation/main.py", line 318, in main

run_program(namespace, parser=parser)


 "/home/kaito/.local/lib/python3.6/site-packages/onlinejudge/implementation/main.py", line 287, in run_program

download(args)


 "/home/kaito/.local/lib/python3.6/site-packages/onlinejudge/implementation/command/download.py", line 53, in download

samples = problem.download_sample_cases(session=sess)
# type: ignore


 "/home/kaito/.local/lib/python3.6/site-packages/onlinejudge/service/yukicoder.py", line 275, in download_sample_cases

it = self._parse_sample_tag(pre)


 "/home/kaito/.local/lib/python3.6/site-packages/onlinejudge/service/yukicoder.py", line 312, in _parse_sample_tag

if prv.name == 'h6' and tag.parent.name == 'div' and tag.parent['class'] == ['paragraph'] and pprv.name == 'h5':
AttributeError: 'NoneType' object has no attribute 'name'

Traceback (most recent call last):


 "/home/art/PycharmProjects/pycuda/test.py", line 16, in <module>

mod = SourceModule("""


 "/home/art/.pyenv/versions/test380/lib/python3.8/site-packages/pycuda/compiler.py", line 290, in __init__

cubin = compile(source, nvcc, options, keep, no_extern_c,


 "/home/art/.pyenv/versions/test380/lib/python3.8/site-packages/pycuda/compiler.py", line 254, in compile

return compile_plain(source, options, keep, nvcc, cache_dir, target)


 "/home/art/.pyenv/versions/test380/lib/python3.8/site-packages/pycuda/compiler.py", line 84, in compile_plain

checksum.update(get_nvcc_version(nvcc).encode("utf-8"))


 "</home/art/.pyenv/versions/test380/lib/python3.8/site-packages/decorator.py:decorator-gen-3>", line 2, in get_nvcc_version


 "/home/art/.pyenv/versions/test380/lib/python3.8/site-packages/pytools/__init__.py", line 539, in _deco

result = func(*args)


 "/home/art/.pyenv/versions/test380/lib/python3.8/site-packages/pycuda/compiler.py", line 16, in get_nvcc_version

result, stdout, stderr = call_capture_output(cmdline)


 "/home/art/.pyenv/versions/test380/lib/python3.8/site-packages/pytools/prefork.py", line 227, in call_capture_output

return forker.call_capture_output(cmdline, cwd, error_on_nonzero)


 "/home/art/.pyenv/versions/test380/lib/python3.8/site-packages/pytools/prefork.py", line 60, in call_capture_output

raise ExecError("error invoking '%s': %s"
pytools.prefork.ExecError: error invoking 'nvcc --version': [Errno 2] No such file or directory: 'nvcc'
