Why doesn't setuptools 1.3.1 appear when I pip freeze?

Question

I am running virtualenvwrapper and friends on Ubuntu 12.04 (virtualenvwrapper 1.7.1.2, virtualenv 1.7.1.2, pip 1.0, Distribute 0.6.24, Python 2.7). To be able to

Answer 1

pip won't list packages that pip itself depends on unless you tell it to. You may include such packages by doing: pip freeze --all

freeze lists packages in a requirements-format - for use in requirements files etc - while list is just that, a list.

See Pip freeze vs. pip list for more details.