Update app4.py

app4.py

@@ -1,6 +1,7 @@
 import os
-os.makedirs(".streamlit", exist_ok=True)
-os.environ["STREAMLIT_CONFIG_DIR"] = ".streamlit"
+os.environ["STREAMLIT_RUNTIME_ENV"] = "headless"
+os.environ["XDG_CONFIG_HOME"] = "/tmp"
+
 
 import pickle
 import streamlit as st