The Python Packaging Guide contains general information about how to manage your project and dependencies.
Install or upgrade using pip.
pip install -U Flask-WTF
The latest code is available from GitHub. Clone the repository then install using pip.
git clone https://github.com/wtforms/flask-wtf pip install -e ./flask-wtf
Or install the latest build from an archive.
pip install -U https://github.com/wtforms/flask-wtf/archive/main.tar.gz