def get_auth_plugin(self):
    if self.user_auth_plugin:
        return self.user_auth_plugin
    else:
        return _ContextAuthPlugin(self.auth_token, self.service_catalog)
def get_auth_plugin(self):
    if self.user_auth_plugin:
        return self.user_auth_plugin
    else:
        return _ContextAuthPlugin(self.auth_token, self.service_catalog)