old_contents: import datetime
  from businesstime.holidays import Holidays
  
  
  class USFederalHolidays(Holidays):
      """
      List from http://www.opm.gov/policy-data-oversight/snow-dismissal-procedures/federal-holidays/
      """
  
      rules = [
          dict(name="New Year's Day", month=1, day=1),
          dict(name="Birthday of Martin Luther King, Jr.", month=1, weekday=0, week=3),
          dict(name="Washington's Birthday", month=2, weekday=0, week=3),
          dict(name="Memorial Day", month=5, weekday=0, week=-1),
          dict(name="Independence Day", month=7, day=4),
          dict(name="Labor Day", month=9, weekday=0, week=1),
          dict(name="Columbus Day", month=10, weekday=0, week=2),
          dict(name="Veterans Day", month=11, day=11),
          dict(name="Thanksgiving Day", month=11, weekday=3, week=4),
          dict(name="Chistmas Day", month=12, day=25),
      ]
  
      def _day_rule_matches(self, rule, dt):
          """
          Day-of-month-specific US federal holidays that fall on Sat or Sun are
          observed on Fri or Mon respectively. Note that this method considers
          both the actual holiday and the day of observance to be holidays.
          """
          if dt.weekday() == 4:
              sat = dt + datetime.timedelta(days=1)
              if super(USFederalHolidays, self)._day_rule_matches(rule, sat):
                  return True
          elif dt.weekday() == 0:
              sun = dt - datetime.timedelta(days=1)
              if super(USFederalHolidays, self)._day_rule_matches(rule, sun):
                  return True
          return super(USFederalHolidays, self)._day_rule_matches(rule, dt)
  
new_contents: import datetime
  from businesstime.holidays import Holidays
  
  
  class USFederalHolidays(Holidays):
      """
      List from http://www.opm.gov/policy-data-oversight/snow-dismissal-procedures/federal-holidays/
      """
  
      rules = [
          dict(name="New Year's Day", month=1, day=1),
          dict(name="Birthday of Martin Luther King, Jr.", month=1, weekday=0, week=3),
          dict(name="Washington's Birthday", month=2, weekday=0, week=3),
          dict(name="Memorial Day", month=5, weekday=0, week=-1),
          dict(name="Independence Day", month=7, day=4),
          dict(name="Labor Day", month=9, weekday=0, week=1),
          dict(name="Columbus Day", month=10, weekday=0, week=2),
          dict(name="Veterans Day", month=11, day=11),
          dict(name="Thanksgiving Day", month=11, weekday=3, week=4),
          dict(name="Christmas Day", month=12, day=25),
      ]
  
      def _day_rule_matches(self, rule, dt):
          """
          Day-of-month-specific US federal holidays that fall on Sat or Sun are
          observed on Fri or Mon respectively. Note that this method considers
          both the actual holiday and the day of observance to be holidays.
          """
          if dt.weekday() == 4:
              sat = dt + datetime.timedelta(days=1)
              if super(USFederalHolidays, self)._day_rule_matches(rule, sat):
                  return True
          elif dt.weekday() == 0:
              sun = dt - datetime.timedelta(days=1)
              if super(USFederalHolidays, self)._day_rule_matches(rule, sun):
                  return True
          return super(USFederalHolidays, self)._day_rule_matches(rule, dt)
  
subject: Fix Typo