The symbolic links created in /usr/bin for the python programs in the package are incorrect; namely, they point to /usr/lib/python/astrometry/util/... whereas they should probably point to /usr/lib/python2.7/site-packages/astrometry/util/...
commit eeab8cfc6779164a4e7ef605dbf4f000cd41ff5a Author: Sébastien Fabbro <bicatali@gentoo.org> Date: Tue Mar 22 22:52:50 2016 +0000 sci-astronomy/astrometry: fix utilities relative linking Gentoo-Bug: https://bugs.gentoo.org/show_bug.cgi?id=577786 Package-Manager: portage-2.2.28