"tkinter.TclError: NULL main window"

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"tkinter.TclError: NULL main window"

deanhystad

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Posts: 6,222

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Feb-04-2021, 06:45 PM

You cannot call Tk() twice. If you need two windows use TopLevel() to make the second window. Tk() doesn't just make a window, it also does a bunch of initialization that is only supposed to happen once.

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"tkinter.TclError: NULL main window" - by Rama02 - Feb-04-2021, 05:44 PM

RE: "tkinter.TclError: NULL main window" - by deanhystad - Feb-04-2021, 06:45 PM

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