docutil should be locked at 0.12 to get successful build

Fabien Bourigault · Fabien Bourigault · commit 327b34e276b5 · 2017-05-11T22:35:01.000+02:00
diff --git a/requirements.txt b/requirements.txt
@@ -3,3 +3,4 @@ sphinx~=1.4.0
 sphinx-rtd-theme==0.1.6
 sphinxcontrib-spelling
 pyenchant
+docutils==0.12
