old_contents: from enum import Enum
  
  
  class FilterType(Enum):
      date_range_filter = 'dateRangeFilter'
      metadata_filter = 'metadataFilter'
      prefix_filter = 'prefixFilter'
      query_filter = 'queryFilter'
  
  
  class Filter(object):
      """Use a Filter to restrict answers using metadata"""
  
      def __init__(self, filter_type, field_name, values=()):
          self.filter_type = filter_type
          self.field_name = field_name
          self.values = values
  
      def __eq__(self, other):
          return False
  
new_contents: from enum import Enum
  
  
  class FilterType(Enum):
      date_range_filter = 'dateRangeFilter'
      metadata_filter = 'metadataFilter'
      prefix_filter = 'prefixFilter'
      query_filter = 'queryFilter'
  
  
  class Filter(object):
      """Use a Filter to restrict answers using metadata"""
  
      def __init__(self, filter_type, field_name, values=()):
          self.filter_type = filter_type
          self.field_name = field_name
          self.values = values
  
      def __eq__(self, other):
          """Return True iff self is equivalent to other
  
          :param other: A Filter
          :return: True or False
          """
          if self is other:
              return True
  
          if not isinstance(other, Filter):
              return False
          if self.filter_type != other.filter_type:
              return False
          if self.field_name != other.field_name:
              return False
          if self.values != other.values:
              return False
  
          return True
  
subject: Implement Filter.__eq__