def __init__(self, username, action, expiration_delay=UserConfirmationTimeout):
        self.action = action
        self.username = username
        self.expiration_delay = expiration_delay
'nginx:optimized_by_middleware' returns X-Accel response.
dataset/ETHPy150Open Net-ng/kansha/kansha/authentication/database/forms.py/TokenGenerator.__init__--crossover with--dataset/ETHPy150Open benoitbryon/django-downloadview/demo/demoproject/nginx/tests.py/OptimizedByMiddlewareTestCase.test_response