How to fix ModuleNotFoundError: No module named 'aiosignal'

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

Verification

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