find icon also if not started in base folder

stand/webapp.py

@@ -1,3 +1,5 @@
+from pathlib import Path
+
 import streamlit as st
 
 import hacks
@@ -10,10 +12,11 @@ from utils.st_utils import get_session_id, hide_UI_elements
 
 print(">>> start of streamlit run")
 
+icon = Path(__file__).parent.parent / "icon.png"
 
 st.set_page_config(
     page_title="stand",
-    page_icon="icon.png",
+    page_icon=str(icon),
     layout="wide"
 )