How do I install jinja2 in Python?

The standard way to install jinja2 is by running `python -m pip install jinja2`. If you are using Anaconda, use `conda install -c conda-forge jinja2`.

Why causes the 'No module named jinja2' error?

This error occurs when the python interpreter cannot locate the `jinja2` 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 'jinja2'

ModuleNotFoundError: No module named 'jinja2'

For web development, always isolate your dependencies in a virtual environment.

Using Docker? Ensure you add `jinja2` to your `requirements.txt` and rebuild the container.

python -m pip install jinja2

Verification

Command

python -c "import jinja2; print(jinja2.__version__)"

Expected output

Success! jinja2 version x.y.z (e.g., 2.4.0)