def authenticate_header(self, request):
        """
        If permission is denied, return a '401 Unauthorized' response,
        with an appropraite 'WWW-Authenticate' header.
        """
        return 'OAuth realm="%s"' % self.www_authenticate_realm
dataset/ETHPy150Open jpadilla/django-rest-framework-oauth/rest_framework_oauth/authentication.py/OAuthAuthentication.authenticate_header/original