[Debian-astro-maintainers] Bug#893637: pyraf FTBFS with dh-python 3.20180313

[Adrian Bunk]

Source: pyraf
Version: 2.1.14+dfsg
Severity: serious

https://tests.reproducible-builds.org/debian/rb-pkg/unstable/amd64/pyraf.html

...
   debian/rules override_dh_auto_test
make[1]: Entering directory '/build/1st/pyraf-2.1.14+dfsg'
HOME=/tmp/ PYTHONPATH=/build/1st/pyraf-2.1.14+dfsg/.pybuild/pythonX.Y_2.7/build python2.7 debian/tests/pyraf-test.py
Traceback (most recent call last):
  File "debian/tests/pyraf-test.py", line 18, in <module>
    from pyraf import iraf
ImportError: No module named pyraf
make[1]: *** [debian/rules:12: test-python2.7] Error 1


See #893242 for background.