gender_predictvision.swift

    func predictImageVision(image: UIImage) {
        
        let genderModel = try! VNCoreMLModel(for: Gender().model)
        let genderRequest = VNCoreMLRequest(model: genderModel) { (req, err) in
            guard let results = req.results as? [VNCoreMLFeatureValueObservation], let firstResult = results.first else {
                self.resetOnError()
                return
            }
            self.setGender(prob: firstResult.featureValue.multiArrayValue)
        }
        
        let handler = VNImageRequestHandler(cgImage: image.cgImage!, options: [:])
        try? handler.perform([genderRequest])
    }