Define the viewController as weak in WTRQuestionView.
#111
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The `WTRSurveyViewController` has a strong reference to the `WTRQuestionView *questionView`. Since the controller is the owner of the view, the back reference from the view to the controller should be weak to break the retain cycle.
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The
WTRSurveyViewControllerhas a strong reference to theWTRQuestionView *questionView. Since the controller is the owner of the view, the back reference from the view to the controller should be weak to break the retain cycle.