[tornado] ImportError: No module named tornado.httpserver

[l***@gmail.com]

I have install tornado ,no error, tornado4.3 and python 2.7.9
but when I run demo-helloworld ,error appeard,see the error picture

[image: 1540540424136.jpg] <about:invalid#zClosurez>
























thank for answer

[Ben Darnell]

Do you have a file named tornado.py somewhere? The most common cause of
this error is that there's a file tornado.py that is appearing on the
python path before the real tornado module.

Are you using virtualenv, pyenv, or anything like that? Is this
/usr/bin/python to match the installation location of
/usr/lib/python2.7/site-packages?

Post by l***@gmail.com
I have install tornado ,no error, tornado4.3 and python 2.7.9
but when I run demo-helloworld ,error appeard,see the error picture
[image: 1540540424136.jpg]
thank for answer
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