Update app.py

app.py

@@ -20,7 +20,7 @@ from operator import itemgetter
 st.set_page_config(page_title="Docu-Help")
 
 # Dropdown for namespace selection
-namespace_name = st.sidebar.selectbox("Select Website:", ('crawlee', 'langchain'), key='namespace_name')
+namespace_name = st.sidebar.selectbox("Select Website:", ('crawlee'), key='namespace_name')
 
 # Read API keys from environment variables
 OPENAI_API_KEY = os.getenv("OPENAI_API_KEY")