How to fix ModuleNotFoundError: No module named 'rsa'

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

Verification

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