travis: Try to fix docutils setup on Linux

diff --git a/.travis.yml b/.travis.yml
index 514ab1ddf673a1b8514ec736b4dd80b126433024..73cd1f1b9c546b558f43544ccc2a406f2b677f3e 100644 (file)
--- a/.travis.yml
+++ b/.travis.yml
@@ -20,4 +20,4 @@ script:
 before_install:
   # gem install must be run with sudo on OSX
   - sudo gem install asciidoctor | gem install asciidoctor
-  - sudo pip install docutils
+  - sudo apt-get install python-docutils | sudo pip install docutils