This should not change anything, since super() value seems to be None.
@ -49,7 +49,7 @@ def wrap_displaymath(cls):
else:
self.ownerDocument.context.pop()
IN_VERSE -= 1
super(WrappedClass, self).invoke(tex)
return super(WrappedClass, self).invoke(tex)
return WrappedClass
# pylint: disable=too-many-public-methods