Is tkinter renamed in Python 3.9.0b3?

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I just upgraded to python 3.9 (Earlier I had python 3.8.2)

I was working on a project where I had to use tkinter module.

Everything worked fine in Python3.8.2

pic1

But after upgrading to Python3.9 , I get this error :

pic2

The error is :

Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "/usr/local/lib/python3.9/tkinter/__init__.py", line 37, in 
<module>
import _tkinter # If this fails your Python may not be configured for 
Tk
ModuleNotFoundError: No module named '_tkinter'

So anyone knows how to fix this ?

P.S :

I have tried using

sudo apt install python3-tk

It only gives this message :

Reading package lists... Done
Building dependency tree       
Reading state information... Done
python3-tk is already the newest version (3.8.2-1ubuntu1).
0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.

Edit :

I found 2 pip installed on my system namely : pip3 and pip3.9 (I don't know how)

One is familiar pre existing pip3

When I do pip3 list

Package                  Version
------------------------ --------------------
aiohttp                  3.6.2
apturl                   0.5.2
astroid                  2.4.2
async-timeout            3.0.1
attrs                    20.2.0
autopep8                 1.5.4

#(And many more...)

But when I do pip3.9 list , I get only 2 modules installed:

Package    Version
---------- -------
pip        20.2.3
setuptools 41.2.0
importerror error-handling python-3.x python-import tkinter
1 Answers

Okay , Got it what was wrong (Thanks to @acw1668 ). I installed python 3.9 from the source without having dependencies (tk-dev and tcl-dev)

  • So the first thing I did was uninstalling Python3.9
  • Then reinstalled it using this method (From deadsnakes ppa)
  • Then in terminal , run sudo apt install python3.9-tk
  • Now everything works fine.

enter image description here

Thanks to @Noah-J-Standerson for suggesting this method

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