[Debian-med-packaging] Bug#878820: python-skbio FTBFS with Python 3.6 as default

[Adrian Bunk]

Source: python-skbio
Version: 0.5.1-3
Severity: serious

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

...
Exception occurred:
  File "/build/1st/python-skbio-0.5.1/.pybuild/pythonX.Y_3.5/build/skbio/metadata/_interval.py", line 13, in <module>
    from ._intersection import IntervalTree
ModuleNotFoundError: No module named 'skbio.metadata._intersection'
The full traceback has been saved in /tmp/sphinx-err-di560sx6.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:16: recipe for target 'override_dh_auto_build' failed
make[1]: *** [override_dh_auto_build] Error 1


Likely related to the following in debian/rules:

override_dh_auto_build:
	dh_auto_build
	PYTHONPATH=$(shell echo .pybuild/pythonX.Y_3.5*/build/) \
		http_proxy='127.0.0.1:9' \
		python3 `which sphinx-build` -b html -d doc/build/doctrees doc/source doc/build/html