pip install fails: "use_2to3 is invalid."

[wm1995]

This package can't be pip-installed into a recent version of Python anymore, failing with a "use_2to3 is invalid" error.

OS: macOS Ventura 13.0
Python: 3.10.4
pip: 22.0.4
setuptools: 58.1.0

Traceback:

$ pip install git+https://github.com/tholoien/XDGMM.git
Collecting git+https://github.com/tholoien/XDGMM.git
  Cloning https://github.com/tholoien/XDGMM.git to /private/var/folders/py/8rsdjzhn0m7002gd477mj20w0000gn/T/pip-req-build-svmatg8v
  Running command git clone --filter=blob:none --quiet https://github.com/tholoien/XDGMM.git /private/var/folders/py/8rsdjzhn0m7002gd477mj20w0000gn/T/pip-req-build-svmatg8v
  Resolved https://github.com/tholoien/XDGMM.git to commit bf2c38c37485c05b3ea48d4479139bf6760b6d27
  Preparing metadata (setup.py) ... error
  error: subprocess-exited-with-error

  × python setup.py egg_info did not run successfully.
  │ exit code: 1
  ╰─> [1 lines of output]
      error in xdgmm setup command: use_2to3 is invalid.
      [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.

The error comes about because, as of setuptools>58.0.0, use_2to3 has been removed from the package (see pypa/setuptools#2086 and the underlying python/cpython#84540).

I'm happy to put in a PR to convert the package to Python 3 if that would be desired.