docs: def _get_delivery_date(row):
      """Get delivery date (estimated or actual)."""
      try:
          month = row.find('div', {'class': 'date-small'}).string
          day = row.find('div', {'class': 'date-num-large'}).string
      except AttributeError:
          return None
      try:
          return parse('{} {}'.format(month, day)).date()
      except ValueError:
          return None