This is a flask app to demonstrate running datadraw examples 
dynamically in flask web framework.    http://datadraw.org


Required: python 3.6 or higher.  Suppose you have python 3.9:

python3.9 -m venv venv

source ./venv/bin/activate

pip install -r requirements.txt

python app.py

Then in your web browser go to your machine's port 5000