old_contents: from __future__ import absolute_import, division, print_function
  
  from panoptes_client.panoptes import PanoptesObject, LinkResolver
  
  
  class User(PanoptesObject):
      _api_slug = 'users'
      _link_slug = 'users'
      _edit_attributes = ()
  
      def avatar(self):
          return User.http_get('{}/avatar'.format(self.id))[0]
  
  LinkResolver.register(User)
  LinkResolver.register(User, 'owner')
  
new_contents: from __future__ import absolute_import, division, print_function
  
  from panoptes_client.panoptes import PanoptesObject, LinkResolver
  
  
  class User(PanoptesObject):
      _api_slug = 'users'
      _link_slug = 'users'
      _edit_attributes = ()
  
      @property
      def avatar(self):
          return User.http_get('{}/avatar'.format(self.id))[0]
  
  LinkResolver.register(User)
  LinkResolver.register(User, 'owner')
  
subject: Change User.avatar to be a property