Attributed titleLabel not showing

[zanohikaru7]

let radioButton = DLRadioButton()
let attrBold = [NSAttributedString.Key.font : UIFont.systemFont(ofSize: 16, weight: .bold)]
let attrNormal = [NSAttributedString.Key.font : UIFont.systemFont(ofSize: 16, weight: .regular)]
let attrString = NSMutableAttributedString(string: "Text a code to my number ending in ", attributes:attrNormal)

let boldStringPart = NSMutableAttributedString(string: value, attributes: attrBold)
attributedString.append(boldStringPart)
        
radioButton.titleLabel?.attributedText = attributedString
                                                                                

The text is not showing

Here is the image: