Image.fromarray(results[0]).save(unique_name)

app.py

@@ -379,7 +379,7 @@ def restore(
     " pixels high, so a resolution of " + f'{result_width * result_height:,}' + " pixels."
     print(information)
     unique_name = str(uuid.uuid4()) + ".png"
-    results[0].save(unique_name)
+    Image.fromarray(results[0]).save(unique_name)
     print(unique_name)
 
     # Only one image can be shown in the slider