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 fedora:21
RUN yum install -y \
gcc \
gettext \
make \
python-devel \
python-docutils \
rpm-build
# For creating repo meta data
RUN yum install -y createrepo