if fleets[0].ships.isEmpty {
let center = NotificationCenter.default
var token: NSObjectProtocol!
- token = center.addObserver(forName: .PortAPIReceived, object: nil, queue: nil) {_ in
+ token = center.addObserver(forName: .PortAPIReceived, object: nil, queue: nil) {_ in
center.removeObserver(token)
self.setupFleetController()
center.post(name: .DidPrepareFleet, object: self)