Bug#1035638: enlighten: FTBFS with tox 4

[Stefano Rivera]

Control: forcemerge 1035675 1035638
Control: affects 1035675 + src:enlighten

The changes I've made in dh-python will resolve the FTBFS for enlighten.

Stefano

-- 
Stefano Rivera
  http://tumbleweed.org.za/
  +1 415 683 3272