tests: fix up some import statements caught by Python 3

Authored by durin42.

Description

tests: fix up some import statements caught by Python 3

I'm curious how the import checker manages to be so much more
pedantic in Python 3, but not enough to bother exploring.

Differential Revision: https://phab.mercurial-scm.org/D5240

Details

Committed
durin42Wed, Nov 7, 2:21 PM
Differential Revision
D5240: tests: fix up some import statements caught by Python 3
Parents
rHG0df4d93fdc27: tests: replace `tac` reimplementation by `sort -r`
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