 extension ChatViewController: OTPublisherDelegate {
     func publisher(_ publisher: OTPublisherKit, streamCreated stream: OTStream) {
     }
-    
-    func publisher(_ publisher: OTPublisherKit, streamDestroyed stream: OTStream) {        
+
+    func publisher(_ publisher: OTPublisherKit, streamDestroyed stream: OTStream) {
     }
-    
+
     func publisher(_ publisher: OTPublisherKit, didFailWithError error: OTError) {
         print("Publisher failed: \(error.localizedDescription)")
     }

    func subscriberDidConnect(toStream subscriberKit: OTSubscriberKit) {
        print("Subscriber connected")
    }
    
    func subscriber(_ subscriber: OTSubscriberKit, didFailWithError error: OTError) {
        print("Subscriber failed: \(error.localizedDescription)")
    }
    
    func subscriberVideoDataReceived(_ subscriber: OTSubscriber) {
    }
}


                return sub.view
            }
        }()

        if let viewToAdd = videoView {
            viewToAdd.frame = cell.bounds
            cell.addSubview(viewToAdd)
