When I try sudo apt update command on Ubuntu 20.04.3 LTS x86_64 this traceback comes. How can I fix it please
Traceback (most recent call last):
File "/usr/lib/cnf-update-db", line 8, in <module>
from CommandNotFound.db.creator import DbCreator
File "/usr/lib/python3/dist-packages/CommandNotFound/db/creator.py", lin
e 11, in <module>
import apt_pkg
ModuleNotFoundError: No module named 'apt_pkg'
Reading package lists... Done
E: Problem executing scripts APT::Update::Post-Invoke-Success 'if /usr/bin
/test -w /var/lib/command-not-found/ -a -e /usr/lib/cnf-update-db; then /u
sr/lib/cnf-update-db > /dev/null; fi'
E: Sub-process returned an error code```