Update app.py

app.py

@@ -11,7 +11,9 @@ import numpy as np
 from modules import PaletteModelV2
 from diffusion import Diffusion_cond
 
-device = 'cuda'
+
+# Check for GPU availability, else use CPU
+device = 'cuda' if torch.cuda.is_available() else 'cpu'
 
 model = PaletteModelV2(c_in=2, c_out=1, num_classes=5, image_size=256, true_img_size=64).to(device)
 ckpt = torch.load('ema_ckpt_cond.pt')