upates

app.py

@@ -127,6 +127,7 @@ def launch_bot():
         st.session_state.agent = initialize_agent(cfg)
         st.session_state.log_messages = []
         st.session_state.prompt = None
+        st.session_state.ex_prompt = None
         st.session_state.first_turn = True
         st.session_state.show_logs = False
 
@@ -184,6 +185,7 @@ def launch_bot():
         with bc1:
             if st.button('Start Over'):
                 reset()
+                st.rerun()
 
         st.markdown("---")
         st.markdown(