webpy session 设置

import webweb.config.debug = Falseurls = (    "/count", "count",    "/reset", "reset")app = web.application(urls, locals())session = web.session.Session(app, web.session.DiskStore('sessions'), initializer={'count': 0})class count:    def GET(self):        session.count += 1        return str(session.count)class reset:    def GET(self):        session.kill()        return ""if __name__ == "__main__":    app.run()