How to fix ModuleNotFoundError: No module named 'bcrypt'

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

Verification

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