Runtime error with ['ninja', '-v']

[zelota556]

D:\Anaconda\envs\torch1.8.2\lib\site-packages\torch\utils\cpp_extension.py:304: UserWarning: Error checking compiler version for cl: 'utf-8' codec can't decode byte 0xd3 in position 0: invalid continuation byte warnings.warn(f'Error checking compiler version for {compiler}: {error}') Traceback (most recent call last): File "D:\Anaconda\envs\torch1.8.2\lib\site-packages\torch\utils\cpp_extension.py", line 1673, in _run_ninja_build env=env) File "D:\Anaconda\envs\torch1.8.2\lib\subprocess.py", line 512, in run output=stdout, stderr=stderr) subprocess.CalledProcessError: Command '['ninja', '-v']' returned non-zero exit status 1. During handling of the above exception, another exception occurred:

[ANABUR920]

edit the D:\Anaconda\envs\torch1.8.2\lib\site-packages\torch\utils\cpp_extension.py"

the '['ninja', '-v']' in cpp_extension.py to '['ninja', '--version']'

[basteran]

Thank you @ANABUR920 , you solved part of my problem, but why does this work?