The application is crashing on start

Please fill out following when reporting a new bug:

When i'm trying to start the application it's just crashing

Steps to reproduce the behavior:

Start the application
See the error

Expected behavior
It should work, obviously

Screenshots
If applicable, add screenshots to help explain your problem. Only terminal output

Desktop (please complete the following information):

Laptop: Are you using a Steam Deck or a PC/Laptop?
Pop!_os 22.04: For example SteamOS 3.3 or Lubuntu 20.04
ProtonUp-Qt 2.8.0: For example ProtonUp-Qt 2.5.0
Flatpak: Discover app store / Flatpak / AppImage

Additional context
Add any other context about the problem here.

Terminal output

Open the Terminal app and type one of the following commands and press Enter (The app is called "Konsole" on Steam Deck):

If you installed ProtonUp-Qt via Flatpak (Discover on Steam Deck), type: flatpak run net.davidotek.pupgui2

If you have downloaded the AppImage, navigate to the folder containing the AppImage file and type: ./ProtonUp-Qt*.AppImage

Try to replicate the bug and paste the text output of the command here afterwards.

ProtonUp-Qt 2.8.0 by DavidoTek. Build Info: DavidoTek Flathub build.
Python 3.10.6 (main, Nov 10 2011, 15:00:00) [GCC 12.2.0], PySide 6.4.3
Platform: KDE Flatpak runtime 5.15-21.08 Linux-6.2.6-76060206-generic-x86_64-with-glibc2.35
Gtk-Message: 22:15:56.882: Failed to load module "canberra-gtk-module"
Gtk-Message: 22:15:56.883: Failed to load module "canberra-gtk-module"
qt.qpa.qgnomeplatform: Could not find color scheme  ""
Qt: Session management error: None of the authentication protocols specified are supported
Loading locale en / en_US
Loaded ctmod GE-Proton
Loaded ctmod Wine-GE
Loaded ctmod Boxtron
Loaded ctmod D8VK (nightly)
Loaded ctmod Kron4ek Wine-Builds Vanilla
Loaded ctmod Lutris-Wine
Loaded ctmod Luxtorpeda
Loaded ctmod NorthStar Proton (TitanFall 2)
Loaded ctmod Proton Tkg
Loaded ctmod Proton Tkg (Wine Master)
Loaded ctmod Roberta
Loaded ctmod Steam-Play-None
Loaded ctmod SteamTinkerLaunch
Loaded ctmod SteamTinkerLaunch-git
Loaded ctmod vkd3d-lutris
Loaded ctmod vkd3d-proton
Loaded ctmod Wine Tkg (Valve Wine)
Loaded ctmod Wine Tkg (Vanilla Wine)
Loaded ctmod DXVK
Loaded ctmod DXVK Async
Loaded ctmod DXVK (nightly)
qt.pysideplugin: Environment variable PYSIDE_DESIGNER_PLUGINS is not set, bailing out.
qt.pysideplugin: No instance of QPyDesignerCustomWidgetCollection was found.
Error: Could not get a list of all Steam apps: 'NoneType' object has no attribute 'get'
Traceback (most recent call last):
  File "/usr/lib/python3.10/runpy.py", line 196, in _run_module_as_main
    return _run_code(code, main_globals, None,
  File "/usr/lib/python3.10/runpy.py", line 86, in _run_code
    exec(code, run_globals)
  File "/app/lib/python3.10/site-packages/pupgui2/__main__.py", line 2, in <module>
    main()
  File "/app/lib/python3.10/site-packages/pupgui2/pupgui2.py", line 549, in main
    MainWindow()
  File "/app/lib/python3.10/site-packages/pupgui2/pupgui2.py", line 108, in __init__
    self.update_ui()
  File "/app/lib/python3.10/site-packages/pupgui2/pupgui2.py", line 223, in update_ui
    get_steam_app_list(install_loc.get('vdf_dir'), cached=False)  # update app list cache
  File "/app/lib/python3.10/site-packages/pupgui2/steamutil.py", line 74, in get_steam_app_list
    apps.extend(get_steam_shortcuts_list(steam_config_folder, c))
UnboundLocalError: local variable 'c' referenced before assignment
Gamepad error: No gamepad found.
QThread: Destroyed while thread is still running
/app/bin/net.davidotek.pupgui2: line 3:     3 Aborted                 (core dumped) python3 -m pupgui2 "$@"

DavidoTek / ProtonUp-Qt

The application is crashing on start #242