I am trying to use lxml on Ubuntu 13.10 64 bit. I created a virtualenv workspace with Python 3.3.2 64 bit and installed lxml using pip with no reported errors. However when I try to run a Python script with the following code:

import lxml

context = lxml.etree.iterparse(...)

I get the following error:
AttributeError: 'module' object has no attribute 'etree'

I have verified that the etree .so file is in the site-packages directory of the virtualenv. I tried setting the LD_LIBRARY_PATH environment variable to the site-packages/lxml directory but this did not help.

I am at a complete loss to know how to proceed from here.