I\'m trying to achieve a black file dialog box (Mac OS dark mode). I\'m using Tkinter filedialog module (import tkinter.filedialog).
import tkinter.filedialog
I'm not a GUI developer, but I'm pretty sure OSX won't let you change the colour of entities such as a dialog window...
If it helps, I ran your code and got the following:
I am using OSX Dark Mode though...