[y3.9 ,while executing pip install -r requirements.txt, it throws:
[15/41] Cythonizing pandas/_libs/reduction.pyx
[end of output]
note: This error originates from a subprocess, and is likely not a problem with pip.
error: metadata-generation-failed
× Encountered error while generating package metadata.
╰─> See above for output.
note: This is an issue with the package mentioned above, not pip.
``` any idea? thanks.
[y3.9 ,while executing pip install -r requirements.txt, it throws: