Describe the bug
after:
git clone https://github.com/anabiman/pygran.git
cd pygran
and installing PyGran dependencies with pip:
pip3 install .[extra]

when building 'liggghts' with cython I the following error "Could not cythonize due to error: name 'module_list' is not defined. Make sure Cython is properly installed." Cython has been installed (removed and reinstalled).

Code snippet
python3 setup.py build_liggghts

Expected behavior
'liggghts' should have been cloned and built

Environment (please complete the following information):

• OS: Windows 11
• PyGran version: 1.1
• Python version: [e.g. 3.10.10]