У вашего броузера проблема в совместимости с HTML5
Source Codes:
https://codeloop.org/category/tkinter-tutorials/
This is our fourth video in Tkinter gui application development with python3 in this video we are going discuss about buttons in tkinter and how you can add functionality to the buttons in tkinter
Complete Video Tutorial For PyQt5 Application Development
https://www.youtube.com/watch?v=pnpL9Sl79g8&list=PL1FgJUcJJ03uwFW8ys2ov2dffKs3ieGYk
Pyglet Tutorial For Multimedia Applications And Game Development
https://www.youtube.com/watch?v=lJQ3UgcDHto&list=PL1FgJUcJJ03s7kYUy40ydTA9gBnj_KDlK
Python Opengl Programming With Pyopengl
https://www.youtube.com/watch?v=AQ1JPbWgWpc&list=PL1FgJUcJJ03s_nmCAA7F5rv7QDOp-V6kn
Python Pyglet Application Development Tutorial
https://www.youtube.com/watch?v=ZKbZzK4BHX4&t=35s