python3.7 crashed with SIGSEGV in xkl_engine_stop_listen()

Not sure what caused this, possible Calibre

ProblemType: Crash
DistroRelease: Ubuntu 20.04
Package: python3.7-minimal 3.7.6-1
Uname: Linux 5.4.8-050408-generic x86_64
NonfreeKernelModules: nvidia_modeset nvidia
ApportVersion: 2.20.11-0ubuntu15
Architecture: amd64
Date: Mon Jan 13 17:04:46 2020
ExecutablePath: /usr/bin/python3.7
InstallationDate: Installed on 2017-12-06 (776 days ago)
InstallationMedia: Ubuntu 17.10 "Artful Aardvark" - Release amd64 (20171018)
ProcCmdline: cinnamon-screensaver
ProcEnviron:

Python3Details: /usr/bin/python3.7, Python 3.7.6, python3-minimal, 3.7.5-1ubuntu1
PythonDetails: /usr/bin/python3.7, Python 3.7.6, python-minimal, 2.7.17-1
SegvAnalysis:
 Segfault happened at: 0x7f6164152a30 <xkl_engine_stop_listen>: mov 0x18(%rdi),%r9
 PC (0x7f6164152a30) ok
 source "0x18(%rdi)" (0x00000018) not located in a known VMA region (needed readable region)!
 destination "%r9" ok
SegvReason: reading NULL VMA
Signal: 11
SourcePackage: python3.7
StacktraceTop:
 xkl_engine_stop_listen () at /usr/lib/x86_64-linux-gnu/libxklavier.so.16
 () at /usr/lib/x86_64-linux-gnu/libgnomekbdui.so.8
 g_object_unref () at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
 () at /usr/lib/x86_64-linux-gnu/libxapp.so.1
 g_object_unref () at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
Title: python3.7 crashed with SIGSEGV in xkl_engine_stop_listen()
UpgradeStatus: Upgraded to focal on 2019-11-13 (68 days ago)
UserGroups: adm cdrom dip docker lpadmin lxd plugdev sambashare sudo wireshark
separator: