Update app.py

Change key ''OPENAI_API_KEY_NEW_2"

app.py

@@ -82,7 +82,8 @@ if "selected_model" not in st.session_state:
 
 # Get OpenAI API key from environment or let user enter it
 # openai_api_key = os.getenv("OPENAI_API_KEY")
-openai_api_key = os.getenv("OPENAI_API_KEY_NEW_1")
+# openai_api_key = os.getenv("OPENAI_API_KEY_NEW_1")
+openai_api_key = os.getenv("OPENAI_API_KEY_NEW_2")
 
 # Configure OpenAI client
 if openai_api_key: