Update app.py

app.py

@@ -637,7 +637,7 @@ def server(input, output, session):
         test_df = test_df.sort_values(by=[sort_value,'Score'],ascending = ascend)
 
         for i in range(0,len(date_list)):
-            test_df[calendar.day_name[date_list[i].weekday()]+'<br>'+str(date_list[i].month)+'-'+'{:02d}'.format(date_list[i].day)] = test_list[i]['new_text']
+            test_df[calendar.day_name[date_list[i].weekday()]+'<br>'+str(date_list[i].month).zfill(2)+'-'+'{:02d}'.format(date_list[i].day)] = test_list[i]['new_text']
 
         row = ['']*L
         for x in  test_df[test_df.columns[L:]]: