code: def get_spring_holiday(self, year):
          
          easter = self.get_easter_monday(year)
          spring_holiday = self.get_nth_weekday_in_month(year, 4, MON, 3)
          if easter == spring_holiday:
              spring_holiday = self.get_nth_weekday_in_month(
                  year, 4, MON, 2)
  
          return (spring_holiday, self.spring_holiday_label)
docs: Return Spring Holiday for Edinburgh.
  
          Set to the 3rd Monday of April, unless it falls on Easter Monday, then
          it's shifted to previous week.