Update app.py

app.py

@@ -10,8 +10,12 @@ def process_images(files, blending_weight=0.5):
 
     # Ensure all images have the same data type (CV_8U)
     for i in range(len(images)):
-        if images[i].dtype != np.uint8:
-            images[i] = images[i].astype(np.uint8)
+        # Ensure the image is a NumPy array and has the desired data type
+        if images is not None:
+            images = images.astype(np.uint8)
+        else:
+            # Handle the case where the image couldn't be loaded
+            print("Failed to load the image")
 
     # Perform the image operation (e.g., blending)
     result_image = images[0].copy()