Tkinter: Can't Enter Into Entry Widget

I don't understand why the entry boxes under rackGUI.py in my code are static/won't allow anything to be entered. I believe all the Entry objects are instantiated correctly. I spec

Solution 1:

For anyone who comes here after me, my solution ended up being

root.overrideredirect(True)

Working fine on Windows, but causing this text entry problem on Mac.

Solution 2:

I actually found the problem there. The issue seems to be the focus of the windows, since you're using a messagebox.

In my script I just had put a root.update() before opening another window (in my case a filedialog) and everything worked fine. There's an already existing issue for that: https://bugs.python.org/issue42867#msg384785