title: TTTAttributedLabel, change of color works only the first time controller launches in Swift
body: <pre><code> self.descriptionLbl.text = actionReqdText
      let labelString = self.descriptionLbl.text as! NSString
      let contactRange1 = labelString.range(of: actionString1)
      let contactRange2 = labelString.range(of: actionString2)
  
      self.descriptionLbl.addLink(to: URL(string: link1), with: contactRange1)
      self.descriptionLbl.addLink(to: URL(string: link2), with: contactRange2)
  
      let attributedText = NSMutableAttributedString(attributedString: descriptionLbl.attributedText!)
  
      if  UIScreen.main.bounds.size.height &lt; 900 {
          attributedText.addAttributes([NSAttributedStringKey.font : UIFont(name: HELVETICA_LIGHT, size: 13)!], range: contactRange1)
          attributedText.addAttributes([NSAttributedStringKey.font : UIFont(name: HELVETICA_LIGHT, size: 13)!], range: contactRange2)
      } else {
          attributedText.addAttributes([NSAttributedStringKey.font : UIFont(name: HELVETICA_LIGHT, size: 18)!], range: contactRange1)
          attributedText.addAttributes([NSAttributedStringKey.font : UIFont(name: HELVETICA_LIGHT, size: 18)!], range: contactRange2)
      }
  
      attributedText.addAttributes([NSAttributedString.Key(rawValue: kCTForegroundColorAttributeName as String as String): UIColor(red: 0.06, green: 0.49, blue: 0.25, alpha: 1.0)], range: contactRange1)
  
      attributedText.addAttributes([NSAttributedString.Key(rawValue: kCTForegroundColorAttributeName as String as String): UIColor(red: 0.06, green: 0.49, blue: 0.25, alpha: 1.0)], range: contactRange2)
  
      attributedText.addAttributes([NSAttributedStringKey.underlineStyle: NSUnderlineStyle.styleNone.rawValue], range: contactRange1)
      attributedText.addAttributes([NSAttributedStringKey.underlineStyle: NSUnderlineStyle.styleNone.rawValue], range: contactRange2)
  
      let paragraphStyle = NSMutableParagraphStyle()
  
      paragraphStyle.lineSpacing = 1.1 
  
  
      attributedText.addAttribute(NSAttributedStringKey.paragraphStyle, value:paragraphStyle, range:NSMakeRange(0, attributedText.length))
  
      descriptionLbl.attributedText = attributedText
  </code></pre>
  
  <blockquote>
    <p>I've been trying this code to get a text in green color and with no underline style. It works the first time I launch the view controller. The next time I get to this screen, it is in native blue and underlined. Any help will be appreciated.</p>
  </blockquote>