Editing saved EKEvent in EKEventEditViewController is causing memory leaks


In my project I have an collectionView, when selecting a cell it initialize an EKEventViewController which it's 'allowsEditing' property is set to true . when the EKEventEditViewController appears by pressing the edit Button , if I select any of EKEventEditViewController items in it's table(Example: editing the title) and dismissing the viewController , it causes a memory leaks 
Editing saved EKEvent in EKEventEditViewController is causing memory leaks
 
 
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