~/s/g/t/beervintory (gui) $ ls
beervintory/  requirements.txt
~/s/g/t/beervintory (gui) $ virtualenv-2.7 venv
Using base prefix '/usr'
New python executable in /home/travis/src/github.com/travisperson/beervintory/venv/bin/python
Installing setuptools, pip, wheel...done.
~/s/g/t/beervintory (gui) $ ls
beervintory/  requirements.txt  venv/
~/s/g/t/beervintory (gui) $ bash
[travis@holmes beervintory]$ source venv/bin/activate
(venv) [travis@holmes beervintory]$ pip install -r requirements.txt
Collecting Django==1.9.2 (from -r requirements.txt (line 1))
  Using cached Django-1.9.2-py2.py3-none-any.whl
Collecting argparse==1.2.1 (from -r requirements.txt (line 2))
  Using cached argparse-1.2.1.tar.gz
Collecting wsgiref==0.1.2 (from -r requirements.txt (line 3))
  Using cached wsgiref-0.1.2.zip
    Complete output from command python setup.py egg_info:
    Traceback (most recent call last):
      File "<string>", line 1, in <module>
      File "/tmp/pip-build-uiacprtw/wsgiref/setup.py", line 5, in <module>
        import ez_setup
      File "/tmp/pip-build-uiacprtw/wsgiref/ez_setup/__init__.py", line 170
        print "Setuptools version",version,"or greater has been installed."
                                 ^
    SyntaxError: Missing parentheses in call to 'print'

    ----------------------------------------
Command "python setup.py egg_info" failed with error code 1 in /tmp/pip-build-uiacprtw/wsgiref
(venv) [travis@holmes beervintory]$