To run, download the files. Create a virtual environment using Anaconda Navigator and install: Keras Tensorflow Flask OpenCV
Then activate that environment and navigate to your project folder using Anaconda Prompt. In the project folder, type the follwing commands:
pip install pipenv
pipenv install
python main.py
Then open the browser and go to 127.0.0.1:5000.
You will see your program running.
Note: you will see live emotion recognition through your webcam. To change to some other video, just mention the path of the video in the camera.py file.