To run this first create: A folder called 'templates' and store the 'landing.html' in it. A folder called 'static' to hold the js and css files. Then in your terminal, type 'python app.py' Make sure you ahve tensorflow, flask and pillow installed.
Moreover, in the .ipynb file, run it and it will download the model, since it was huge file GitHub wouldn't have it uploaded so that file is where you'll get the model from. Run it in Google Colab.