How to fix ModuleNotFoundError: No module named 'httpx'

ModuleNotFoundError: No module named 'httpx'
For web development, always isolate your dependencies in a virtual environment.
Using Docker? Ensure you add `httpx` to your `requirements.txt` and rebuild the container.
python -m pip install httpx

Verification

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