notifications.py

    class UpdateInbox(object):
        '''
        Update the Inbox for a user
        Instantiate with the user's id to update, a where dictionary, and a
        dictionary to replace the content with if required (otherwise will
        just delete the notification)
        '''
        _items = []

        def __init__(self, **kwargs):
            self.__dict__.update(kwargs)

            social_db = Model().config['pg']['social']
            with pg.open(social_db) as cursor:
                cursor.execute(
                    'SELECT items FROM notifications WHERE user_id = '
                    '%(user_id)s',
                    {'user_id': self.user_id}
                )
                self._items = cursor.fetchone()['items']

        def work(self):
            for i in deepcopy(self._items):
                if all(key in i for key in self.where.keys()):
                    if self.where['data'] == i['data'] and \
                            self.where['template'] == i['template']:
                        self._items[i]['template']['id'] = self.replace_with

            ns_version_key = 'notifications-items-user-id-{0}-version'.format(
                self.user_id
            )
            Model().memcache.incr(ns_version_key)

Is there a way to do a list comprehension on line 25-27