======ModuleNotFoundError: No module named 'apt_pkg'======
=====Erreur lié a apt et python=====
  Traceback (most recent call last):
  File "/usr/lib/command-not-found", line 28, in <module>
    from CommandNotFound import CommandNotFound
  File "/usr/lib/python3/dist-packages/CommandNotFound/CommandNotFound.py", line 19, in <module>
    from CommandNotFound.db.db import SqliteDatabase
  File "/usr/lib/python3/dist-packages/CommandNotFound/db/db.py", line 5, in <module>
    import apt_pkg
  ModuleNotFoundError: No module named 'apt_pkg'
  
=====une recherche sur apt_pkg.so ne renvoi rien=====
<code BASH>
sudo apt-file search apt_pkg.so
</code>

=====Correction par ajout d'un lien=====
<code bash>
cd /usr/lib/python3/dist-packages
ls -l apt_pkg.cpython*
sudo ln -s apt_pkg.cpython-38-x86_64-linux-gnu.so apt_pkg.so
sudo apt-get update
</code>