/usr/local/lib/python2.7/dist-packages

/home/kv/.pythonbrew/pythons/Python-2.7.5/bin/python

kv@kv:~$ which python
/home/kv/.pythonbrew/pythons/Python-2.7.5/bin/python

kv@kv:~$ sudo pip install virtualenv virtualenvwrapper
Requirement already satisfied (use --upgrade to upgrade): virtualenv in /usr/local/lib/python2.7/dist-packages
Requirement already satisfied (use --upgrade to upgrade): virtualenvwrapper in /usr/local/lib/python2.7/dist-packages
Cleaning up...

source /usr/local/bin/virtualenvwrapper.sh

kv@kv:~$ source /usr/local/bin/virtualenvwrapper.sh
/home/kv/.pythonbrew/pythons/Python-2.7.5/bin/python: No module named virtualenvwrapper
virtualenvwrapper.sh: There was a problem running the initialization hooks.

If Python could not import the module virtualenvwrapper.hook_loader,
check that virtualenvwrapper has been installed for
VIRTUALENVWRAPPER_PYTHON=/home/kv/.pythonbrew/pythons/Python-2.7.5/bin/python and that PATH is
set properly.