Update app.py

app.py

@@ -26,7 +26,7 @@ load_dotenv()
 
 GOOGLE_API_KEY = os.getenv("GOOGLE_API_KEY")
 
-llm = ChatGoogleGenerativeAI(model="gemini-1.5-pro",temperature=0,api_key=api_key,convert_system_message_to_human=True)
+llm = ChatGoogleGenerativeAI(model="gemini-1.5-pro",temperature=0,api_key=GOOGLE_API_KEY,convert_system_message_to_human=True)
 
 # Streamlit page configuration
 st.set_page_config(