How to fix ModuleNotFoundError: No module named 'itsdangerous'

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

Verification

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