Bug#801376: dh-python: Different locales make Depends line to be sometimes python3.5, sometimes python3

[Santiago Vila]

retitle 801376 pyversions emits requested versions in non-determinstic order
reassign 801376 python3-defaults 3.4.3-6
tags 801376 + patch
thanks

Cc to control@b.d.o so that the command takes effect.