Installation - h-janes/flask-sitemapper GitHub Wiki
Flask Sitemapper requires Python 3.8 or newer. The Python packages flask and jinja2 are also required, and will be installed automatically.
The latest version can be installed with pip as shown below.
pip install flask-sitemapper
Now you can import the Sitemapper class for use in your project.
from flask_sitemapper import Sitemapper