Update app.py

app.py

@@ -24,7 +24,7 @@ CACHE_EXAMPLES = torch.cuda.is_available() and os.getenv("CACHE_EXAMPLES") == "1
 MAX_IMAGE_SIZE = int(os.getenv("MAX_IMAGE_SIZE", "1536"))
 USE_TORCH_COMPILE = False
 ENABLE_CPU_OFFLOAD = os.getenv("ENABLE_CPU_OFFLOAD") == "1"
-PREVIEW_IMAGES = False
+PREVIEW_IMAGES = True
 
 dtype = torch.float16
 device = torch.device("cuda:0" if torch.cuda.is_available() else "cpu")