How do I install fastjsonschema in Python?

The standard way to install fastjsonschema is by running `python -m pip install fastjsonschema`. If you are using Anaconda, use `conda install -c conda-forge fastjsonschema`.

Why causes the 'No module named fastjsonschema' error?

This error occurs when the python interpreter cannot locate the `fastjsonschema` package. It is often caused by missing installation or environment mismatch (e.g. installing in global but running in venv).

How to fix ModuleNotFoundError: No module named 'fastjsonschema'

ModuleNotFoundError: No module named 'fastjsonschema'

Recommended: Install via pip into your active environment.

python -m pip install fastjsonschema

Verification

Command

python -c "import fastjsonschema; print(fastjsonschema.__version__)"

Expected output

Success! fastjsonschema version x.y.z (e.g., 2.4.0)