[Debian-astro-maintainers] Bug#851561: pyregion FTBFS: ImportError: No module named validate

[Adrian Bunk]

Source: pyregion
Version: 1.2-4
Severity: serious

https://buildd.debian.org/status/package.php?p=pyregion

...
PYTHONPATH=$(echo build/lib.* | tr " " :) sphinx-build -D today="January 12, 2017" -D html_last_updated_fmt="January 12, 2017" -D html_show_copyright=0 -N -bhtml docs/ build/html
Running Sphinx v1.4.9
making output directory...

Exception occurred:
  File "/usr/lib/python2.7/dist-packages/astropy/extern/configobj.py", line 11, in <module>
    import validate
ImportError: No module named validate
The full traceback has been saved in /tmp/sphinx-err-ANI5C6.log, if you want to report the issue to the developers.
Please also report this if it was a user error, so that a better error message can be provided next time.
A bug report can be filed in the tracker at <https://github.com/sphinx-doc/sphinx/issues>. Thanks!
debian/rules:39: recipe for target 'override_dh_auto_build' failed
make[1]: *** [override_dh_auto_build] Error 1