Update app.py

app.py

@@ -203,8 +203,10 @@ with col2:
         st.session_state["user_input"] = "How to implement DEI?"
         
 # User input in Streamlit
-st.session_state["user_input"] = st.text_input("Describe your policy or project to find relevant Lab Lab projects...")
-
+user_input = st.text_input("Describe your policy or project to find relevant Lab Lab projects...")
+if user_input:
+    st.session_state["user_input"] = user_input
+    
 # Display chat history
 #for message in st.session_state.messages:
 #    with st.chat_message(message["role"]):