missing dependency, six?

looks like the dependency six is missing from setup.py? might need to add via install_requires

Collecting rouge>=0.2.1 (from newssum==0.1.0)
  Downloading https://files.pythonhosted.org/packages/7e/20/d351e85280517183b5b8460a0f47622f3b44c3eabdecd012313680576f35/rouge-0.3.0.tar.gz
    Complete output from command python setup.py egg_info:
    Traceback (most recent call last):
      File "<string>", line 1, in <module>
      File "/private/var/folders/c5/sxpknfp571v3ydglf4305g9m0000gn/T/pip-install-gu3hvo89/rouge/setup.py", line 2, in <module>
        import rouge
      File "/private/var/folders/c5/sxpknfp571v3ydglf4305g9m0000gn/T/pip-install-gu3hvo89/rouge/rouge/__init__.py", line 2, in <module>
        from rouge.rouge import FilesRouge, Rouge
      File "/private/var/folders/c5/sxpknfp571v3ydglf4305g9m0000gn/T/pip-install-gu3hvo89/rouge/rouge/rouge.py", line 3, in <module>
        import six
    ModuleNotFoundError: No module named 'six'

[pltrdy]

(I made a new release 0.3.1, available on PyPi with this fix)

[ioana-blue]

I still see this issue when I installed 0.3.2 with pip under anaconda.