dropbox/Lists-ios — pull request #1 by hiroshi (2014-09-20 10:36:51+00:00)
Title: Fix -[UITableViewWrapperView principal]: unrecognized selector

Removing a `superview` may work in iOS 8 as well, but there is an iOS versions incompatibility I suppose.

DBPickerCell *cell = (DBPickerCell *)pickerView.superview.superview;