Add this and I find out the app is constantly throwing errors that were previously hidden.

exception_decorator.py

import sys
import traceback

# https://stackoverflow.com/questions/6666882/tkinter-python-catching-exceptions
# https://stackoverflow.com/questions/739654/how-can-i-make-a-chain-of-function-decorators-in-python
# https://stackoverflow.com/questions/1415812/why-use-kwargs-in-python-what-are-some-real-world-advantages-over-using-named

def handle_tk_errors(method_to_decorate):
    def wrapper(*args, **kwargs):
        try:
            return method_to_decorate(*args, **kwargs)
        except Exception as ex:
            traceback.print_exc()
            print("Error: %s" % ex)
            sys.exit(1)
    return wrapper