package python-lldb-8 (not installed) failed to install/upgrade: trying to overwrite '/usr/lib/python2.7/dist-packages/lldb', which is also in package python-lldb-4.0 1:4.0-1ubuntu1~16.04.2

[Tassilo Voutta]

Description: Ubuntu 16.04.7 LTS
Release: 16.04

python-lldb-8:
  Installed: (none)
  Candidate: 1:8-3~ubuntu16.04.1
  Version table:
     1:8-3~ubuntu16.04.1 500
        500 http://de.archive.ubuntu.com/ubuntu xenial-updates/universe amd64 Packages
        500 http://security.ubuntu.com/ubuntu xenial-security/universe amd64 Packages

bug when installing package over others of python-lldb

ProblemType: Package
DistroRelease: Ubuntu 16.04
Package: python-lldb-8 (not installed)
ProcVersionSignature: Ubuntu 4.15.0-120.122~16.04.1-generic 4.15.18
Uname: Linux 4.15.0-120-generic x86_64
NonfreeKernelModules: socwatch2_11 vtsspp sep5 socperf3 pax nvidia_uvm nvidia_drm nvidia_modeset nvidia
ApportVersion: 2.20.1-0ubuntu2.25
AptOrdering:
 python-lldb-8: Install
 python-lldb-8: Configure
 NULL: ConfigurePending
Architecture: amd64
Date: Fri Oct 16 01:06:30 2020
DpkgTerminalLog:
 Preparing to unpack .../python-lldb-8_1%3a8-3~ubuntu16.04.1_amd64.deb ...
 Unpacking python-lldb-8 (1:8-3~ubuntu16.04.1) ...
 dpkg: error processing archive /var/cache/apt/archives/python-lldb-8_1%3a8-3~ubuntu16.04.1_amd64.deb (--unpack):
  trying to overwrite '/usr/lib/python2.7/dist-packages/lldb', which is also in package python-lldb-4.0 1:4.0-1ubuntu1~16.04.2
DuplicateSignature:
 package:python-lldb-8:(not installed)
 Unpacking python-lldb-8 (1:8-3~ubuntu16.04.1) ...
 dpkg: error processing archive /var/cache/apt/archives/python-lldb-8_1%3a8-3~ubuntu16.04.1_amd64.deb (--unpack):
  trying to overwrite '/usr/lib/python2.7/dist-packages/lldb', which is also in package python-lldb-4.0 1:4.0-1ubuntu1~16.04.2
ErrorMessage: trying to overwrite '/usr/lib/python2.7/dist-packages/lldb', which is also in package python-lldb-4.0 1:4.0-1ubuntu1~16.04.2
InstallationDate: Installed on 2020-10-11 (4 days ago)
InstallationMedia: Ubuntu 16.04.7 LTS "Xenial Xerus" - Release amd64 (20200806)
RelatedPackageVersions:
 dpkg 1.18.4ubuntu1.7
 apt 1.2.32ubuntu0.1
SourcePackage: llvm-toolchain-8
Title: package python-lldb-8 (not installed) failed to install/upgrade: trying to overwrite '/usr/lib/python2.7/dist-packages/lldb', which is also in package python-lldb-4.0 1:4.0-1ubuntu1~16.04.2
UpgradeStatus: No upgrade log present (probably fresh install)