force releasenotes warnings to be treated as errors

Change-Id: I48ecfbd8992a81fe13838e6c353195188f7cb3cd
Related-Bug: #1519912

diff --git a/tox.ini b/tox.ini
index acec80aaecfe09144f5c662df7780d42dbe31a68..2be0b20128c28220c621eb5af40e7b11d567c294 100644 (file)
--- a/tox.ini
+++ b/tox.ini
@@ -94,7 +94,7 @@ sitepackages = True
 downloadcache = ~/cache/pip
 
 [testenv:releasenotes]
-commands = sphinx-build -a -E -d releasenotes/build/doctrees -b html releasenotes/source releasenotes/build/html
+commands = sphinx-build -a -E -W -d releasenotes/build/doctrees -b html releasenotes/source releasenotes/build/html
 
 [testenv:pep8]
 basepython = python2.7