fix output type

tools/weather_api.py

@@ -7,7 +7,7 @@ class WeatherApiTool(Tool):
     name = "weather_api"
     description = "Fetches the weather for a given location and date."
     inputs = {'location': {'type': 'string', 'description': 'The location for which to fetch the weather.'}, 'date': {'type': 'string', 'description': 'The date for which to fetch the weather.'}}
-    output_type = "json"
+    output_type = "any"
     
     def __init__(self, *args, **kwargs):
         super().__init__(*args, **kwargs)