Update app.py

app.py

@@ -43,7 +43,7 @@ def save_data(name):
     }
     with scheduler.lock:
         with dataset_file.open("a") as f:
-            f.write(json.dumps(data) + "\n")
+            f.write(json.dumps(data,ensure_ascii=False) + "\n")
     # return "Data saved and will be uploaded to the dataset repository."