Merge "Doc warnings as errors"
diff --git a/setup.cfg b/setup.cfg
index 6fd4b8a..212db9e 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -27,6 +27,7 @@
 source-dir = doc/source
 build-dir = doc/build
 all_files = 1
+warning-is-error = 1
 
 [upload_sphinx]
 upload-dir = doc/build/html