Made pip-install explicitly install setuptools to work with Python3.12.

.github/workflows/pip-install.yml

@@ -32,6 +32,7 @@ jobs:
       - name: Install cibuildwheel
         run: |
           python -m pip install -U pip
+          python -m pip install setuptools
           python -m pip install cibuildwheel
 
       - name: Build wheel on Linux

setup.py

@@ -1,15 +1,6 @@
 import os
 import sys
-
-# if sys.version_info >= (3, 12):
-#     # For Python 3.12 and above, use setuptools
-#     from setuptools.command.clean import clean
-# else:
-#     # For Python versions below 3.12, use distutils
-#     from distutils.command.clean import clean
-
 from glob import glob
-
 from setuptools import Extension, find_packages, setup
 from setuptools.command.build_ext import build_ext
 from setuptools.command.develop import develop