piedu@piedu-desktop:~/block$ python run.py
after execute run.py and go to localhost:8000,
('127.0.0.1', 34258) closed
('127.0.0.1', 34260) closed
('127.0.0.1', 34262) closed
('127.0.0.1', 34264) closed
('127.0.0.1', 34266) closed
('127.0.0.1', 34268) closed
('127.0.0.1', 34270) closed
('127.0.0.1', 34272) closed
('127.0.0.1', 34274) closed
('127.0.0.1', 34276) closed
('127.0.0.1', 34278) closed
('127.0.0.1', 34280) closed
('127.0.0.1', 34282) closed
('127.0.0.1', 34284) closed
('127.0.0.1', 34286) closed
('127.0.0.1', 34288) closed
('127.0.0.1', 34290) closed
('127.0.0.1', 34292) closed
('127.0.0.1', 34294) closed
('127.0.0.1', 34296) closed
please help...