Update app.py

app.py

@@ -38,7 +38,7 @@ def get_weather(lat: float, lon: float) -> dict | None:
 weather_agent = CodeAgent(
     model=HfApiModel("deepseek-ai/DeepSeek-R1", max_tokens=8096, provider="together"),
     tools=[
-        GoogleSearchTool(provider="serper"),
+        GoogleSearchTool(api_key=SERPER_API_KEY),
         VisitWebpageTool(),
         get_weather
     ],