Update app.py

app.py

@@ -64,7 +64,7 @@ def process_image(prompt, image, num_variations):
             print(f"  {i+1}: {p}")
 
         # Step 3: Prepare image + canny
-        image = image.resize((512, 512)).convert("RGB")
+        image = image.resize((1024, 1024)).convert("RGB")
         canny_map = generate_canny_map(image)
 
         # Step 4: Generate Images
@@ -79,6 +79,9 @@ def process_image(prompt, image, num_variations):
                 strength=0.5,
                 guidance_scale=7.5
             )
+            if result is None or not hasattr(result, "images"):
+                raise ValueError("⚠️ SDXL pipeline failed to return a valid image")
+                
             outputs.append(result.images[0])
 
         return outputs, scene_plan, canny_map