@webapp2.cached_property
def user_attributes(self):
    'The list of attributes retrieved from the user model.\n\n        This must be an ordered list of unique elements.\n        '
    seen = set()
    attrs = self.config['user_attributes']
    return [a for a in attrs if ((a not in seen) and (not seen.add(a)))]
The list of attributes retrieved from the user model.

This must be an ordered list of unique elements.
@webapp2.cached_property
def user_attributes(self):
    'The list of attributes retrieved from the user model.\n\n        This must be an ordered list of unique elements.\n        '
    seen = set()
    attrs = self.config['user_attributes']
    return [a for a in attrs if ((a not in seen) and (not seen.add(a)))]