astropy/astroquery — pull request #390 by keflavich (2014-08-09 08:34:24+00:00)
Title: Fix six imports

Astroquery requires six > 1.7ish. Astropy bundles 1.5. See:
https://github.com/astropy/astropy/issues/2840
https://github.com/astropy/astropy/issues/2814