>>> /home/criaz/repos/briefcase-613/hello/linux/hello-0.0.1-x86_64.AppImage
Traceback (most recent call last):
  File "/tmp/.mount_hello-9Pm4Um/usr/lib/python3.9/runpy.py", line 197, in _run_module_as_main
    return _run_code(code, main_globals, None,
  File "/tmp/.mount_hello-9Pm4Um/usr/lib/python3.9/runpy.py", line 87, in _run_code
    exec(code, run_globals)
  File "/tmp/.mount_hello-9Pm4Um/usr/app/hello/__main__.py", line 4, in <module>
    main().main_loop()
  File "/tmp/.mount_hello-9Pm4Um/usr/app/hello/app.py", line 27, in main
    return hello()
  File "/tmp/.mount_hello-9Pm4Um/usr/app_packages/toga/app.py", line 272, in __init__
    self.factory = get_platform_factory(factory)
  File "/tmp/.mount_hello-9Pm4Um/usr/app_packages/toga/platform.py", line 41, in get_platform_factory
    from toga_gtk import factory
  File "/tmp/.mount_hello-9Pm4Um/usr/app_packages/toga_gtk/factory.py", line 1, in <module>
    from .app import App, DocumentApp, MainWindow
  File "/tmp/.mount_hello-9Pm4Um/usr/app_packages/toga_gtk/app.py", line 8, in <module>
    import gbulb
  File "/tmp/.mount_hello-9Pm4Um/usr/app_packages/gbulb/__init__.py", line 1, in <module>
    from .glib_events import *
  File "/tmp/.mount_hello-9Pm4Um/usr/app_packages/gbulb/glib_events.py", line 12, in <module>
    from gi.repository import GLib, Gio
  File "/tmp/.mount_hello-9Pm4Um/usr/app_packages/gi/__init__.py", line 40, in <module>
    from . import _gi
ImportError: /usr/lib/libgio-2.0.so.0: undefined symbol: g_module_open_full

briefcase new
briefcase create
briefcase run -u