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-rw-r--r--sphinx/ext/pngmath.py2
1 files changed, 1 insertions, 1 deletions
diff --git a/sphinx/ext/pngmath.py b/sphinx/ext/pngmath.py
index ee108d166..342b1bd8a 100644
--- a/sphinx/ext/pngmath.py
+++ b/sphinx/ext/pngmath.py
@@ -246,4 +246,4 @@ def setup(app):
app.add_config_value('pngmath_latex_preamble', '', 'html')
app.add_config_value('pngmath_add_tooltips', True, 'html')
app.connect('build-finished', cleanup_tempdir)
- return sphinx.__version__
+ return {'version': sphinx.__version__}