Why is my swift code not pulling my weather Icons from my assets

Why is my swift code not pulling my weather Icons from my assets
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#1

if let weatherArray = jsonObj!.value(forKey: “weather”) as? NSArray {
if let weatherDictionary = weatherArray[0] as? NSDictionary {
if (weatherDictionary.value(forKey: “icon[0]”) as? UIImage) != nil {

                            DispatchQueue.main.async {
                                
                                self.iconImage?.image = UIImage(named: "Icon.png")
                            }
                        }
            }
                }