package nvidia-driver-460 460.39-0ubuntu0.20.04.1 failed to install/upgrade: problèmes de dépendances - laissé non configuré

Problems with nvidia drivers : apparently "failed to install/upgrade: problèmes de dépendances - laissé non configuré".
The nvidia sound card is also not working (is it linked?) and I have no sound on my laptop.

ProblemType: Package
DistroRelease: Ubuntu 20.04
Package: nvidia-driver-460 460.39-0ubuntu0.20.04.1
ProcVersionSignature: Ubuntu 5.8.0-44.50~20.04.1-generic 5.8.18
Uname: Linux 5.8.0-44-generic x86_64
ApportVersion: 2.20.11-0ubuntu27.16
AptOrdering:
 python3-pil:amd64: Install
 NULL: ConfigurePending
Architecture: amd64
CasperMD5CheckResult: skip
Date: Mon Mar 22 10:35:51 2021
DpkgHistoryLog:
 Start-Date: 2021-03-22 10:35:49
 Commandline: /usr/bin/unattended-upgrade
 Upgrade: python3-pil:amd64 (7.0.0-4ubuntu0.2, 7.0.0-4ubuntu0.3)
ErrorMessage: problèmes de dépendances - laissé non configuré
InstallationDate: Installed on 2021-01-25 (55 days ago)
InstallationMedia: Ubuntu 20.04.1 LTS "Focal Fossa" - Release amd64 (20200731)
Python3Details: /usr/bin/python3.8, Python 3.8.5, python3-minimal, 3.8.2-0ubuntu2
PythonDetails: N/A
RelatedPackageVersions:
 dpkg 1.19.7ubuntu3
 apt 2.0.4
SourcePackage: nvidia-graphics-drivers-460
Title: package nvidia-driver-460 460.39-0ubuntu0.20.04.1 failed to install/upgrade: problèmes de dépendances - laissé non configuré
UpgradeStatus: No upgrade log present (probably fresh install)