How to fix ModuleNotFoundError: No module named 'multiprocess'

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

Verification

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