astropy/astropy — pull request #2909 by keflavich (2014-09-01 13:37:52+00:00)
Title: BUGFIX: WCS slicing ignored slices of the form slice(None,...)

This is a bugfix to allow slicing of WCS with slices of the form `slice(None,None,X)` and `slice(None,x,y)`, which were ignored before. Includes a regression test.