summaryrefslogtreecommitdiff
path: root/sphinx/application.py
diff options
context:
space:
mode:
Diffstat (limited to 'sphinx/application.py')
-rw-r--r--sphinx/application.py1
1 files changed, 1 insertions, 0 deletions
diff --git a/sphinx/application.py b/sphinx/application.py
index 209c73202..05d302c81 100644
--- a/sphinx/application.py
+++ b/sphinx/application.py
@@ -83,6 +83,7 @@ builtin_extensions = (
'sphinx.directives.code',
'sphinx.directives.other',
'sphinx.directives.patches',
+ 'sphinx.io',
'sphinx.parsers',
'sphinx.roles',
'sphinx.transforms.post_transforms',