Update main.py

main.py

@@ -104,8 +104,8 @@ def generate_search(query: str, systemprompt: Optional[str] = None, stream: bool
 
 @app.get("/ping")
 async def ping():
-    start_time = datetime.now()
-    response_time = (datetime.now() - start_time).total_seconds()
+    start_time = datetime.datetime.now()
+    response_time = (datetime.datetime.now() - start_time).total_seconds()
     return {"message": "pong", "response_time": f"{response_time:.6f} seconds"}
     
 @app.get("/searchgpt")