patch: fix import-time syntax error in test-check-module-imports.t
This is more correct, though we were getting lucky in practice with
our rewriter saving us.
# skip-blame just a b prefix
Differential Revision: https://phab.mercurial-scm.org/D3584
FROM ubuntu:__CODENAME__
RUN apt-get update && apt-get install -y \
build-essential \
debhelper \
devscripts \
dh-python \
less \
python \
python-all-dev \
python-docutils \
unzip \
zip