Update app.py

app.py

@@ -37,7 +37,7 @@ if torch.cuda.is_available():
     print("current device:", torch.cuda.current_device())
     print("device name:", torch.cuda.get_device_name(torch.cuda.current_device()))
 
-print("Using device:", device)
+print("Using device:", processing_device)
 
 # List of predefined style models (formerly LoRAs)
 style_definitions = [