Correcting syntax error in app.py file

app.py

@@ -91,6 +91,7 @@ scheduler = CommitScheduler(
     folder_path=log_folder,
     path_in_repo="data",
     every=2                                         # execute every two API calls
+)
 
 qna_system_message = """
 You are an assistant to a financial services firm who answers user queries on annual reports.