我是龙卷风的新手。在我使用:
安装Tornado 3.1.1之后tar xvzf tornado-3.1.1.tar.gz
cd tornado-3.1.1
python setup.py build
sudo python setup.py install
我尝试运行hello world example in the documentation
#!/usr/bin/env python
import tornado.ioloop
import tornado.web
class MainHandler(tornado.web.RequestHandler):
def get(self):
self.write("Hello, world")
application = tornado.web.Application([
(r"/", MainHandler),
])
if __name__ == "__main__":
application.listen(8888)
tornado.ioloop.IOLoop.instance().start()
然后我跑了
python hello.py
我收到了这个错误:
Traceback (most recent call last):
File "hello.py", line 2, in <module>
import tornado.ioloop
File "/usr/share/nginx/www/tornado/tornado/ioloop.py", line 44, in <module>
from tornado.concurrent import Future, TracebackFuture
File "/usr/share/nginx/www/tornado/tornado/concurrent.py", line 30, in <module>
from tornado.stack_context import ExceptionStackContext, wrap
ImportError: No module named stack_context
Python版本:2.7.3
海湾合作委员会:4.6.3龙卷风:3.1.1