def __getitem__(self, key):

        return self._conf[key]

        if self._conf:

            return True

        return False

    def __init__(self, *required_perms):

        self.required_perms = required_perms # usually very short - a list is thus fine

        """ Defend against accidentally forgetting to call the object

            and instead evaluating it directly in a boolean context,

            which could have security implications.

    def __delitem__(self, key):

        del self.headers[normalize_header(key)]

        return self.body is not None or len(self.headers) > 0 or len(self.parts) > 0

    def keys(self):