1from twisted.internet import reactor 2import treq 3 4 5def done(response): 6 print(response.code) 7 reactor.stop() 8 9 10def err(fail): 11 print(fail.value) 12 reactor.stop() 13 14 15treq.get("https://localhost").addCallback(done).addErrback(err) 16reactor.run() 17