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09.10.2016 · (Sep-18-2016, 10:37 AM) Yoriz Wrote: No because of the inheritance problem I stated above, the instance of SampleApp has a file1 attribute but the instance of PageOne does not because it has only called the tk.Frame's __init__ and not the SampleApp's __init__.

python tkinter AttributeError: 'NoneType' object has no attribute 'insert',The .pack method of a widget always returns None.

AttributeError: object has no attribute 'tk' ... from Tkinter import * class MWindow(object): def __init__(self,master): self.frame=Frame(master) ...

You need to use a stringvar instead of using .get() on a entry-box data = StringVar() #We use StringVar so that we can store the input ...

The official dedicated python forum. ... Thread Modes. [Tkinter] AttributeError: '' object has no attribute 'tk'.

01.07.2006 · I'm new to python and tkinter. I'm trying to write a program that opens the root window with a button that then opens a toplevel window that then has it's own widgets. I can get the new toplevel window to open but none of the widgets appear. The console gives me: AttributeError: 'NewWindow' object has no attribute 'tk' Here's my code: #### from ...

When you get an error such as 'NoneType' object has no attribute 'X' , that means you have a variable whose value is None , and you are trying to do None.X() .

29.07.2021 · When you get an error such as 'NoneType' object has no attribute 'X', that means you have a variable whose value is None, and you are trying to do None.X (). It doesn't matter if you're using tkinter or any other package. So, you have to ask yourself, "why does my variable have the value None ?" The problem is this line:

#TypeError: 'NoneType' object does not support item assignment Example try: # In order to be able to import tkinter for import tkinter as tk # either in python 2 or in python 3 except ImportError: import Tkinter as tk root = tk.Tk() widget = tk.Button(root, text="Quit").pack() widget['command'] = root.destroy root.mainloop()

... line 2095, in __getattr__ return getattr(self.tk, attr) AttributeError: '_tkinter.tkapp' object has no attribute 'mainFrame'.

07.11.2021 · Solving problem is about exposing yourself to as many situations as possible like Tkinter: AttributeError: NoneType object has no attribute and practice these strategies over and over. With time, it becomes second nature and a natural …

Your initial call to guess_number in your initializer method is probably being invoked before you press the button and trigger the ...

Tkinter: AttributeError: NoneType object has no attribute get. I have seen a couple of other posts on similar error message but couldn't find a solution ...

First at all, you should never create a new attribute out of the __init__ method. That said, Mike pointed the trouble’s reason: you created the window object inside the new_window method, but did not called it. You must call new_window before call guess_number – or call one inside other. I suggest that you set window to None and call new ...