UnboundLocalError on startup

Describe the bug
for some reason, after steam update ProtonUp-Qt doesn't launch because of this:

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

To Reproduce
Steps to reproduce the behavior:

Launch ProtonUp-Qt
See that it doesnt launch because of error

Expected behavior
ProtonUp-Qt launches without error.

Desktop (please complete the following information):

Platform: PC
System: Fedora 38
Version: ProtonUp-Qt 2.8.0
How did you install ProtonUp-Qt?: Flatpak

Terminal output

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-6.2.15-300.fc38.x86_64-x86_64-with-glibc2.35
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
cat: /etc/lsb-release: No such file or directory
Loaded ctmod SteamTinkerLaunch
cat: /etc/lsb-release: No such file or directory
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

UnboundLocalError on startup #246

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