Return version from setup() for all sphinx.ext extensions.

1 files changed, 3 insertions, 0 deletions

diff --git a/sphinx/ext/autodoc.py b/sphinx/ext/autodoc.py
index 918d6549a..5b014d0d5 100644
--- a/sphinx/ext/autodoc.py
+++ b/sphinx/ext/autodoc.py
@@ -22,6 +22,7 @@ from docutils import nodes
 from docutils.utils import assemble_option_dict
 from docutils.statemachine import ViewList
 
+import sphinx
 from sphinx.util import rpartition, force_decode
 from sphinx.locale import _
 from sphinx.pycode import ModuleAnalyzer, PycodeError
@@ -1503,6 +1504,8 @@ def setup(app):
     app.add_event('autodoc-process-signature')
     app.add_event('autodoc-skip-member')
 
+    return sphinx.__version__
+
 
 class testcls:
     """test doc string"""