How to fix 'ModuleNotFoundError: No module named 'apt_pkg'?

Question

I\'m running code sudo apt update and fetch error

ModuleNotFoundError: No module named \'apt_pkg\'.

Please, help me s

Answer 1

In my case the problem was due to upgrading python version from 3.6 to 3.8.

sudo update-alternatives --install /usr/bin/python3 python3 /usr/bin/python3.6 1
sudo update-alternatives --install /usr/bin/python3 python3 /usr/bin/python3.8 2

sudo update-alternatives --config python3

Solved by:

Settings back the python version to 3.6