Documentation Link

https://matplotlib.org/stable/gallery/user_interfaces/embedding_in_tk_sgskip.html

Problem

Executing the code crashes Spyder

Suggested improvement

Replace this:

button_quit = tkinter.Button(master=root, text="Quit", command=root.quit)

with this:

button_quit = tkinter.Button(master=root, text="Quit", command=root.destroy)

Thanks to StackOverflow.