Bug#867583: src:python-escript: Excessive python3 build-depends complicate transitions

[Scott Kitterman]

Package: src:python-escript
Version: 5.0-3
Severity: important

python-escript only builds in python3 support in python3-escript for the
default python3 version, but build-depends on python3-all-dev.  Please either
update the package to build for all supported python3 versions (currently
python3.5 and python3.6 in sid and buster) or change the build-depends to
python3-dev.

Supporting all versions is preferred, but either is much preferred to the
current situation where it's possible this will fail to be rebuilt at the
appropriate time and end up RC buggy.

Scott K