package python3-tk 3.5.1-1 failed to install/upgrade: trying to overwrite '/usr/lib/python3.6/tkinter/__init__.py', which is also in package libpython3.6-stdlib:amd64 3.6.13-1+xenial2

During upgrade error reported by OS

ProblemType: Package
DistroRelease: Ubuntu 18.04
Package: python3-tk 3.5.1-1
ProcVersionSignature: Ubuntu 4.4.0-210.242-generic 4.4.262
Uname: Linux 4.4.0-210-generic x86_64
ApportVersion: 2.20.1-0ubuntu2.30
Architecture: amd64
Date: Wed Sep 29 12:55:03 2021
DistributionChannelDescriptor:
 # This is a distribution channel descriptor
 # For more information see http://wiki.ubuntu.com/DistributionChannelDescriptor
 canonical-oem-somerville-xenial-amd64-20160624-2
ErrorMessage: trying to overwrite '/usr/lib/python3.6/tkinter/__init__.py', which is also in package libpython3.6-stdlib:amd64 3.6.13-1+xenial2
InstallationDate: Installed on 2020-05-24 (492 days ago)
InstallationMedia: Ubuntu 16.04 "Xenial" - Build amd64 LIVE Binary 20160624-10:47
RelatedPackageVersions:
 dpkg 1.19.0.5ubuntu2.3
 apt 1.2.35
SourcePackage: python3-stdlib-extensions
Title: package python3-tk 3.5.1-1 failed to install/upgrade: trying to overwrite '/usr/lib/python3.6/tkinter/__init__.py', which is also in package libpython3.6-stdlib:amd64 3.6.13-1+xenial2
UpgradeStatus: Upgraded to bionic on 2021-09-29 (0 days ago)