https://bugzilla.wikimedia.org/show_bug.cgi?id=55138
--- Comment #6 from Kunal Mehta (Legoktm) legoktm.wikipedia@gmail.com --- What are you saying about the version of python is not correct because this is trunk branch not rewrite branch and in this branch we don't have setSource as a method of claim class, It's just a function in this code