code: def _holiday_entry(self):
          
          holidays_list = self.get_holidays_for_year()
          holidays_list = [
              holiday for holiday, holiday_hdate in holidays_list if
              holiday_hdate.hdate == self.hdate
          ]
          assert len(holidays_list) <= 1
  
          # If anything is left return it, otherwise return the "NULL" holiday
          return holidays_list[0] if holidays_list else htables.HOLIDAYS[0]
docs: Return the abstract holiday information from holidays table.