Update app.py

app.py

@@ -948,7 +948,7 @@ if query:
 
         # Append the new comment to the dataset
         new_comment = {'id': len(dataset), 'text': comment}
-        dataset = dataset.extend([new_comment])
+        dataset = dataset.concatenate(Dataset.from_dict(new_comment))
 
         # Save the dataset to disk
         dataset.save_to_disk('comments')
@@ -957,6 +957,7 @@ if query:
 
 
 
+
     st.title("Abstractalytics Web App")
     st.write("We appreciate your feedback!")