This has a synchronous query in and should be banned. I modified code to not call this method, I don't know why it's still here.
Git commit 9f47432da43b1b516ef2b401b3467eeae10f65a5 by David Edmundson. Committed on 31/08/2013 at 12:32. Pushed by davidedmundson into branch 'master'. Remove unused method M +0 -35 KTp/im-persons-data-source.cpp M +0 -1 KTp/im-persons-data-source.h http://commits.kde.org/telepathy-common-internals/9f47432da43b1b516ef2b401b3467eeae10f65a5
Turns out it's just unused. That was easy.