python3.8 crashed with signal 5

[Yousuf 'Jay' Philips]

It crashed while running xubuntu hello.

https://github.com/philipzae/xubuntu-hello

ProblemType: Crash
DistroRelease: Ubuntu 20.04
Package: python3.8-minimal 3.8.2-1
ProcVersionSignature: Ubuntu 5.4.0-14.17-generic 5.4.18
Uname: Linux 5.4.0-14-generic x86_64
ApportVersion: 2.20.11-0ubuntu20
Architecture: amd64
CurrentDesktop: XFCE
Date: Thu Mar 12 15:27:25 2020
ExecutablePath: /usr/bin/python3.8
InstallationDate: Installed on 2020-02-27 (13 days ago)
InstallationMedia: Xubuntu 20.04 LTS "Focal Fossa" - Alpha amd64 (20200224)
ProcCmdline: python3 src/xubuntu_hello.py --dev
Python3Details: /usr/bin/python3.8, Python 3.8.2, python3-minimal, 3.8.0-3ubuntu1
PythonDetails: N/A
Signal: 5
SourcePackage: python3.8
StacktraceTop:
 () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
 g_log_writer_default () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
 g_log_structured_array () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
 g_log_structured_standard () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
 gtk_builder_new_from_file () at /lib/x86_64-linux-gnu/libgtk-3.so.0
Title: python3.8 crashed with signal 5
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin lxd plugdev sambashare sudo
separator:

[Apport retracing service (apport)]

StacktraceTop:
 _g_log_abort () from /tmp/apport_sandbox_b02l8qix/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0.6400.0
 g_log_writer_default () from /tmp/apport_sandbox_b02l8qix/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0.6400.0
 g_log_structured_array () from /tmp/apport_sandbox_b02l8qix/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0.6400.0
 g_log_structured_standard () from /tmp/apport_sandbox_b02l8qix/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0.6400.0
 gtk_builder_new_from_file (filename=0x2acce90 "ui/manjaro-hello.glade") at ../../../../gtk/gtkbuilder.c:2601