UI fixes 7

app.py

@@ -117,7 +117,7 @@ clear = col2.button("Clear Chat")
 # Handle Clear button
 if clear:
     st.session_state.messages = []
-    st.experimental_rerun()
+    st.rerun()
 
 # Handle user input + generate response
 if submit and user_input:
@@ -143,4 +143,4 @@ if submit and user_input:
             st.session_state.messages.append({"role": "assistant", "content": error_msg})
             st.error(error_msg)
         
-        st.experimental_rerun()
+        st.rerun()