Update app.py

app.py

@@ -91,6 +91,8 @@ if "heizlast_user" not in st.session_state:
 
 if "selected_objekt_id" not in st.session_state:
     st.session_state["selected_objekt_id"] = None
+if "selected_objekt_id_batch_detail" not in st.session_state:
+    st.session_state["selected_objekt_id_batch_detail"] = None
 
 submitted = False