auto updated date

app.py

@@ -7,6 +7,8 @@ import streamlit as st
 from pathlib import Path
 from collections import defaultdict
 
+import os, time
+
 #########################################
 # Helpers Functions
 
@@ -173,7 +175,7 @@ st.header(f'HeroPlan Explorer')
 st.write('Powered by Heroplan.io : Thanks E&P community for continually update hero data.')
 
 df = pd.read_csv('heroes_ep.csv')
-st.write(f'### Updated: December 9, 2023 -- Total heroes in HeroPlan database = {len(df)} (including Toon Costume3)')
+st.write(f'### Updated: {time.ctime(os.path.getmtime("heroes_ep.csv"))} -- Total heroes in HeroPlan database = {len(df)}')
 
 df_extra = pd.read_csv("heroes_ep_extra.csv")
 all_name_extra = sorted(list(df_extra['name'].values))
@@ -372,4 +374,4 @@ else:
     lb_choice = st.selectbox(label='Limit Break:', options=lb_list, index=0)
 
     df_ret = return_hero_stat(df_extra, name_choice, lb_choice=lb_choice, costume_choice=costume_choice)
-    display_heroes_from_df(df_ret,display_cols=df_ret.columns[:-2]) # display all except special-skill text
+    display_heroes_from_df(df_ret,display_cols=df_ret.columns[:-2]) # display all except special-skill text