class AuthMiddleware:
    def __init__(self, app):
        self.app = app

    def __call__(self, environ, start_response):
        # status = "301 Moved Permanently"
        # headers = [('Location', 'http://localhost:4455?next')]
        #
        # start_response(status, headers)

        redirect(url_for('http://localhost:4455', next='http://0.0.0.0:5000'))

        return self.app(environ, start_response)