tests: fix get-with-headers.py on python3 when writing to stdout
Differential Revision: https://phab.mercurial-scm.org/D2306
FROM centos:centos6
RUN yum install -y \
gcc \
gettext \
make \
python-devel \
python-docutils \
rpm-build \
tar
# For creating repo meta data
RUN yum install -y createrepo
# For python
RUN yum install -y \
bzip2-devel \
ncurses-devel \
openssl-devel \
readline-devel \
zlib-devel