Update app.py

app.py

@@ -12,7 +12,7 @@ from tools.catering_service_tool import SimpleTool as CateringServiceTool
 from tools.superhero_party_theme_generator import SuperheroPartyThemeTool as SuperheroPartyThemeGenerator
 from tools.final_answer import FinalAnswerTool as FinalAnswer
 
-api_key = os.getenv("OPENAI_API_KEY")
+api_key = os.getenv("GOOGLE_API_KEY")
 
 model = LiteLLMModel(
 model_id='gemini/gemini-2.0-flash-lite',