Update app.py

app.py

@@ -16,7 +16,7 @@ import markdown2
 # Retrieve API keys from HF secrets
 openai_api_key=os.getenv('OPENAI_API_KEY')
 groq_api_key=os.getenv('GROQ_API_KEY')
-google_api_key=os.getenv('GEMINI')
+google_api_key=os.getenv('GEMINI_API_KEY')
 
 # Initialize API clients with the API keys
 openai_client = ChatOpenAI(model_name="gpt-4o", api_key=openai_api_key)