Update app.py

app.py

@@ -373,7 +373,7 @@ def improve_report_from_chat(user_message: str, chat_history: list, report_text:
         os.getenv("OPENAI_API_KEY"),
         os.getenv("SERPAPI_API_KEY"),
         report_text,
-        initial_request=initial_request
+        initial_request=initial_request,
         qa=qa,
         target_style=style,
         knowledge_crumbs=crumbs_text,