Affected packages
dev-python/aplpy, dev-python/asdf, dev-python/astlib, dev-python/astrodendro, dev-python/astroml-addons, dev-python/astroml, dev-python/astroplan, dev-python/astropy-helpers, dev-python/astropy, dev-python/astroquery, dev-python/astroscrappy, dev-python/atpy, dev-python/ccdproc, dev-python/gammapy, dev-python/ginga, dev-python/glue-vispy-viewers, dev-python/glueviz, dev-python/gwcs, dev-python/healpy, dev-python/imexam, dev-python/montage-wrapper, dev-python/naima, dev-python/photutils, dev-python/pyavm, dev-python/pydl, dev-python/pyfits, dev-python/pymoc, dev-python/pyregion, dev-python/regions, dev-python/reproject, dev-python/spectral-cube, dev-python/specutils, dev-python/stsci-distutils, dev-python/stsci-sphinxext, dev-python/sunpy, dev-python/wcsaxes, sci-astronomy/astrometry, sci-astronomy/kapteyn