https://bugzilla.wikimedia.org/show_bug.cgi?id=55149
--- Comment #3 from Kunal Mehta (Legoktm) legoktm.wikipedia@gmail.com --- Thank you now it works. please add these tree lines to setitem()
list=data.get() id=list['entity'].replace('q','') data = wikipedia.DataPage(site.data_repository(), "Q"+id)
now we should write these tree lines for every DataPage()