(sayhello) d:\coding_by_huohuo\python_language\sayhello-master>pip install pathtools --no-cache-dir
Collecting pathtools
Downloading pathtools-0.1.2.tar.gz (11 kB)
Preparing metadata ( … error
error: subprocess-exited-with-error

× python egg_info did not run successfully.
│ exit code: 1
╰─> [6 lines of output]
Traceback (most recent call last):
File “”, line 2, in
File “”, line 34, in
File “C:\Users\14067\AppData\Local\Temp\pip-install-jeqr0i0m\pathtools_03524d6ad2784909adac736b98b7fcc5\”, line 25, in
import imp
ModuleNotFoundError: No module named ‘imp’
[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.
hint: See above for details.

这个 package 不支持 Python 3。