Update app.py

app.py

@@ -481,7 +481,7 @@ from langchain_core.messages import HumanMessage
 from langchain_google_genai import ChatGoogleGenerativeAI
 
 # ✅ Set up Google API Key (Avoid hardcoding in production)
-os.environ["GOOGLE_API_KEY"] = st.secrets["GOOGLE_API_KEY"] # Replace with your actual API Key
+os.environ["GOOGLE_API_KEY"] = os.getenv("GOOGLE_API_KEY") # Replace with your actual API Key
 
 # ✅ Initialize the Gemini model
 gemini_model = ChatGoogleGenerativeAI(model="gemini-1.5-flash")