sphinx version
@@ -33,7 +33,7 @@ sys.path.insert(0, os.path.abspath('./../../'))
# If your documentation needs a minimal Sphinx version, state it here.
#
-# needs_sphinx = '1.0'
+needs_sphinx = '3.0'
# Add any Sphinx extension module names here, as strings. They can be
# extensions coming with Sphinx (named 'sphinx.ext.*') or your custom
