Drop Python 2 support
The next version of Astropy (3.0) will work only with Python 3.4+
At some point we should consider doing the same (and we can still make bugfix releases for Python 2 if needed).
The next version of Astropy (3.0) will work only with Python 3.4+
At some point we should consider doing the same (and we can still make bugfix releases for Python 2 if needed).