Install and update using pip:

pip install -U PF-Flask-Web

Please find the Documentation with example from hmtmcse.com

Problem Fighter develops and supports PF-Flask-Web and the libraries it uses. In order to grow the community of contributors and users, and allow the maintainers to devote more time to the projects.

For guidance on setting up a development environment and how to make a contribution to PF-Flask-Web, see the contributing guidelines.

• Changes : https://opensource.problemfighter.org/flask/pf-flask-web
• PyPI Releases : https://pypi.org/project/pf-flask-web
• Source Code : https://github.com/problemfighter/pf-flask-web
• Issue Tracker : https://github.com/problemfighter/pf-flask-web/issues
• Website : https://www.problemfighter.com/open-source