mypaint crashed with ImportError in /usr/lib/mypaint/lib/mypaintlib.py: cannot import name '_mypaintlib' from 'lib' (/usr/lib/mypaint/lib/__init__.py)

[Erich Eickmeyer]

mypaint fails to launch with this error in a live session.

ProblemType: Crash
DistroRelease: Ubuntu 22.04
Package: mypaint 2.0.1-2
ProcVersionSignature: Ubuntu 5.15.0-22.22-lowlatency 5.15.19
Uname: Linux 5.15.0-22-lowlatency x86_64
ApportVersion: 2.20.11-0ubuntu79
Architecture: amd64
CasperMD5CheckResult: pass
CasperVersion: 1.468
CurrentDesktop: KDE
Date: Wed Mar 30 16:32:11 2022
ExecutablePath: /usr/bin/mypaint
InterpreterPath: /usr/bin/python3.10
LiveMediaBuild: Ubuntu-Studio 22.04 LTS "Jammy Jellyfish" - Beta amd64 (20220329.1)
ProcCmdline: /usr/bin/python3 /usr/bin/mypaint
ProcEnviron:
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=C.UTF-8
 SHELL=/bin/bash
Python3Details: /usr/bin/python3.10, Python 3.10.3, python3-minimal, 3.10.1-0ubuntu2
PythonArgs: ['/usr/bin/mypaint']
PythonDetails: N/A
SourcePackage: mypaint
Title: mypaint crashed with ImportError in /usr/lib/mypaint/lib/mypaintlib.py: cannot import name '_mypaintlib' from 'lib' (/usr/lib/mypaint/lib/__init__.py)
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin lxd plugdev sambashare sudo

[Erich Eickmeyer (eeickmeyer)]

Very possible this is a Python 3.10 compatibility issue.

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.

[Erich Eickmeyer (eeickmeyer)]

Reported upstream: https://github.com/mypaint/mypaint/issues/1182

[Ubuntu QA Website (ubuntuqa)]

This bug has been reported on the Ubuntu ISO testing tracker.

A list of all reports related to this bug can be found here:
http://iso.qa.ubuntu.com/qatracker/reports/bugs/1967163

[Launchpad Janitor (janitor)]

This bug was fixed in the package mypaint - 2.0.1-2build1

---------------
mypaint (2.0.1-2build1) jammy; urgency=medium

  * No change rebuild for python3.10. (LP: #1967163)

 -- Brian Murray <email address hidden> Wed, 30 Mar 2022 16:41:29 -0700