Broken pip install

gistfile1.txt

$ virtualenv --version
1.11.6

$ virtualenv env
New python executable in env/bin/python
Installing setuptools, pip...done.

$ . env/bin/activate
(env)$ 

(env)$ pip --version
pip 1.5.6 from /home/user/env/lib/python2.6/site-packages (python 2.6)

(env)$ pip install pytz
Downloading/unpacking pytz
Cleaning up...
<traceback>
    raise InvalidSchema("No connection adapters were found for '%s'" % url)
InvalidSchema: No connection adapters were found for '
http://pypi.python.org/simple/pytz/'