old_contents: #!/usr/bin/env python
  # -*- coding: utf-8 -*-
  from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  from __future__ import unicode_literals
  
  from .vcalendar import vCalendar
  from bs4 import BeautifulSoup
  
  class hCalendar(object):
      def __init__(self, markup, value=None, key='id'):
          if isinstance(markup, BeautifulSoup):
              self._soup = markup
          else:
              self._soup = BeautifulSoup(markup)
          if value:
              self._soup = self._soup.find(**{key: value})
          self._cals = self._soup.findAll(attrs='vcalendar')
          if self._cals:
              self._cals = list(map(vCalendar, self._cals))
          else:
              self._cals = [vCalendar(self._soup)]
  
      def __len__(self):
          return len(self._cals)
  
      def __iter__(self):
          return iter(self._cals)
  
      def __getitem__(self, key):
          return self._cals[key]
  
      def getCalendar(self):
          return self._cals
  
new_contents: #!/usr/bin/env python
  # -*- coding: utf-8 -*-
  from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  from __future__ import unicode_literals
  
  from .vcalendar import vCalendar
  from bs4 import BeautifulSoup
  
  class hCalendar(object):
      def __init__(self, markup, value=None, key='id'):
          if isinstance(markup, BeautifulSoup):
              self._soup = markup
          else:
              self._soup = BeautifulSoup(markup, 'html.parser')
          if value:
              self._soup = self._soup.find(**{key: value})
          self._cals = self._soup.findAll(attrs='vcalendar')
          if self._cals:
              self._cals = list(map(vCalendar, self._cals))
          else:
              self._cals = [vCalendar(self._soup)]
  
      def __len__(self):
          return len(self._cals)
  
      def __iter__(self):
          return iter(self._cals)
  
      def __getitem__(self, key):
          return self._cals[key]
  
      def getCalendar(self):
          return self._cals
  
subject: Add missing parser argument to BeautifulSoup instance