How to fix ModuleNotFoundError: No module named 'cfgv'

ModuleNotFoundError: No module named 'cfgv'
Recommended: Install via pip into your active environment.
python -m pip install cfgv

Verification

Command
python -c "import cfgv; print(cfgv.__version__)"
Expected output
Success! cfgv version x.y.z (e.g., 2.4.0)