old_contents: 
  from datetime import datetime
  
  from django.utils.safestring import SafeString
  
  
  def timestamp_to_datetime(value):
      return datetime.fromtimestamp(value)
  
  
  def nonbreakable_spaces(value):
      return SafeString(value.replace(' ', '&nbsp;'))
  
  
  def unit_times(value):
      return SafeString('%s%s' % (value, '&times;'))
  
  
  def join_list_with_comma(value):
      return ', '.join(value)
  
  
  def join_list_with_newline(value):
      return SafeString('<br />'.join(value))
  
  
  def join_list(value):
  
      if isinstance(value, list):
          for item in value:
              if isinstance(item, dict):
                  return value
          return join_list_with_newline(value)
  
  
  def status_icon(value):
      if value is True:
          return SafeString('<i class=\"icon-large fa fa-ok\"></i>')
      return SafeString('<i class=\"icon-large fa fa-remove"></i>')
  
  
  def filter_m2m(datum):
      """helper for aggregation of m2m relation
      """
      items = []
      for d in datum.all():
          items.append(str(d))
      return ", ".join(items)
  
new_contents: 
  from datetime import datetime
  
  from django.utils.safestring import SafeString
  
  
  def timestamp_to_datetime(value):
      return datetime.fromtimestamp(value)
  
  
  def nonbreakable_spaces(value):
      return SafeString(value.replace(' ', '&nbsp;'))
  
  
  def unit_times(value):
      return SafeString('%s%s' % (value, '&times;'))
  
  
  def join_list_with_comma(value):
      return ', '.join(value)
  
  
  def join_list_with_newline(value):
      return SafeString('<br />'.join(value))
  
  
  def join_list(value):
  
      if isinstance(value, list):
          for item in value:
              if isinstance(item, dict):
                  return value
          return join_list_with_newline(value)
  
  
  def status_icon(value):
      if value is True:
          return SafeString('<i class=\"icon-large fa fa-check\"></i>')
      return SafeString('<i class=\"icon-large fa fa-times"></i>')
  
  
  def filter_m2m(datum):
      """helper for aggregation of m2m relation
      """
      items = []
      for d in datum.all():
          items.append(str(d))
      return ", ".join(items)
  
subject: Update FA icons.