Update app.py

app.py

@@ -81,7 +81,7 @@ if "metrics" not in st.session_state:
 if "query_dataset" not in st.session_state:
     st.session_state.query_dataset = ''
 if "rmse" not in st.session_state:
-    st.session_state.rmse = 0
+    st.session_state.rmse = 19999
 
 recent_questions = load_recent_questions()