     ///   - baseViewController: Base viewController
     ///   - completion: Action to be performed after the popover appeared. Omissible.
     
-    open func appear(originView: UIView, baseViewWhenOriginViewHasNoSuperview: UIView? = nil, baseViewController: UIViewController, completion: VoidHandlerType? = nil){
+    open func appear(originView: UIView, baseViewWhenOriginViewHasNoSuperview: UIView? = nil, baseViewController: UIViewController, completion: VoidHandlerType? = nil) {
         // create navigationController
         guard let navigationController = configureNavigationController(storyboardName: storyboardName, originView: originView, baseViewWhenOriginViewHasNoSuperview: baseViewWhenOriginViewHasNoSuperview, baseViewController: baseViewController, permittedArrowDirections: permittedArrowDirections ) else {
             return

            return nil
        }
        
        return self.configureNavigationController(navigationController: navigationController, originView: originView, baseViewWhenOriginViewHasNoSuperview: baseViewWhenOriginViewHasNoSuperview, baseViewController: baseViewController, permittedArrowDirections: permittedArrowDirections)
    }
	
	/// Configure navigationController

    /// - Parameters:
    ///   - seconds: Seconds to delay closing
    ///   - completion: Action to be performed after the popover disappeared. Omissible.
    open func disappearAutomatically(after seconds: Double, completion: VoidHandlerType? = nil) {
        // automatically hide the popover
        disappearAutomaticallyItems.seconds = seconds
        disappearAutomaticallyItems.completion = completion
