docker: include python-yaml in travis.docker

Although the upstream Travis images don't need this library our
"travis-lite" scripts are written in python. This allows us to do:

  make docker-travis@travis J=10

and approximate a travis run on their default image.

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Fam Zheng <famz@redhat.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>

diff --git a/tests/docker/dockerfiles/travis.docker b/tests/docker/dockerfiles/travis.docker
index e4983ae2d3bd6179fdb88325a57509978303f5a6..a315f66ad916794bbbb1400fd7ba24032f37cb9b 100644 (file)
--- a/tests/docker/dockerfiles/travis.docker
+++ b/tests/docker/dockerfiles/travis.docker
@@ -2,5 +2,5 @@ FROM quay.io/travisci/travis-ruby
 RUN apt-get update
 RUN apt-get -y build-dep qemu
 RUN apt-get -y build-dep device-tree-compiler
-RUN apt-get -y install python2.7 dh-autoreconf
+RUN apt-get -y install python2.7 python-yaml dh-autoreconf
 ENV FEATURES pyyaml