old_contents: # -*- coding: utf-8 -*-
  from __future__ import unicode_literals
  
  
  class ZoneGroup(object):
      """docstring for Group"""
      def __init__(self, uid, coordinator, members = None):
          self.uid = uid
          self.coordinator = coordinator
          if members is not None:
              self.members = set(members)
          else:
              self.members = set()
  
      def __iter__(self):
          return self.members.__iter__()
  
      def __contains__(self, member):
          return member in self.members
  
      def __repr__(self):
          return "{}(uid='{}', coordinator='{!r}', members={!r})".format(
              self.__class__.__name__, self.uid, self.coordinator, self.members)
  
  
new_contents: # -*- coding: utf-8 -*-
  from __future__ import unicode_literals
  
  
  class ZoneGroup(object):
      """docstring for Group"""
      def __init__(self, uid, coordinator, members = None):
          self.uid = uid
          self.coordinator = coordinator
          if members is not None:
              self.members = set(members)
          else:
              self.members = set()
  
      def __iter__(self):
          return self.members.__iter__()
  
      def __contains__(self, member):
          return member in self.members
  
      def __repr__(self):
          return "{}(uid='{}', coordinator={!r}, members={!r})".format(
              self.__class__.__name__, self.uid, self.coordinator, self.members)
  
  
subject: Remove quotes from __repr__