Logical error

[Wolfman1219]

Traceback (most recent call last):
File "/home/abduraxim/Scutti/GUI.py", line 8, in
scutti = Scutti()
File "/home/abduraxim/Scutti/Scutti.py", line 33, in init
self.res = self.Resolution()
File "/home/abduraxim/Scutti/Scutti.py", line 74, in Resolution
return w,h
UnboundLocalError: local variable 'w' referenced before assignment

I'm using Debian OS 11 bullseye