Another try docs
@@ -15,6 +15,9 @@ source activate testenv
if [[ $TRAVIS_OS_NAME == "linux" ]]; then
# Install dependencies
+ # Add PPA to make doxygen installation work
+ sudo add-apt-repository ppa:libreoffice/ppa -y
+ sudo apt-get update -q -y
sudo apt-get install -y doxygen
conda install -y sphinx
conda install -y -c conda-forge sphinx_rtd_theme breathe
