Travis: Also install extra Python package `pyyaml`
Since we use a configuration file in YAML format for [cmake-format][]
(`.cmake-format.yaml`), we also have to install a YAML parser.
[cmake-format]:
@@ -205,7 +205,7 @@ before_install:
sudo apt-get install libev-dev
sudo apt-get install libxerces-c-dev
sudo apt-get install moreutils # contains `sponge` required by `reformat-cmake`
- sudo pip install --upgrade cmake_format==0.3.6
+ sudo pip install --upgrade cmake_format==0.3.6 pyyaml
fi
#
