add elif for pygrabber import

modules/ui.py

@@ -6,7 +6,6 @@ from typing import Callable, Tuple, List, Any
 from types import ModuleType
 import cv2
 from PIL import Image, ImageOps
-from pygrabber.dshow_graph import FilterGraph
 import pyvirtualcam
 
 # Import OS-specific modules only when necessary
@@ -14,6 +13,8 @@ if platform.system() == 'Darwin':  # macOS
     import objc
     from Foundation import NSObject
     import AVFoundation
+elif platform.system() == 'Windows' or platform.system() == 'Linux':
+    from pygrabber.dshow_graph import FilterGraph
 
 import modules.globals
 import modules.metadata