Update app.py

app.py

@@ -131,7 +131,7 @@ def main():
         if st.button("بازگشت به صفحه آپلود"):
             st.session_state.uploaded = False  # Reset the state
             st.session_state.messages = [{"role": "assistant", "content": "در خدمتیم"}]  # Reset chat history
-            st.experimental_rerun()  # Rerun the app to reflect changes
+            st.rerun()  # Rerun the app to reflect changes
 
         st.button('حذف مکالمه', on_click=clear_chat_history)