old_contents: from ansible import errors
  
  
  #
  # Additionnal Jinja2 filter to merge array list to a simple array
  #
  
  def merge_array_list(arg):
      """
          Merge multiple arrays into a single array
          :param arg: lists
          :type arg: list
          :return: The final array
          :rtype: list
      """
  
      # Check if arg is a string with managed content or boolean
      if type(arg) != list:
          raise errors.AnsibleFilterError('Invalid value type, should be array')
  
      final_list = []
  
      for cur_list in arg:
          final_list += cur_list
  
      return final_list
  
  
  class FilterModule(object):
      """ Filters to manage new merge_array_list filter"""
  
      filter_map = {
          'merge_array_list': merge_array_list
      }
      def filters(self):
          return self.filter_map
  
new_contents: from ansible import errors
  
  
  #
  # Additionnal Jinja2 filter to merge array list to a simple array
  #
  
  def merge_array_list(arg):
      """
          Merge multiple arrays into a single array
          :param arg: lists
          :type arg: list
          :return: The final array
          :rtype: list
      """
  
      # Check if arg is a list
      if type(arg) != list:
          raise errors.AnsibleFilterError('Invalid value type, should be array')
  
      final_list = []
  
      for cur_list in arg:
          final_list += cur_list
  
      return final_list
  
  
  class FilterModule(object):
      """ Filters to manage new merge_array_list filter"""
  
      filter_map = {
          'merge_array_list': merge_array_list
      }
      def filters(self):
          return self.filter_map
  
subject: Fix bad comment