How to fix ModuleNotFoundError: No module named 'pathspec'

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

Verification

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