ios - Parse - imageView as PFFile won't load -


i don't understand going on. have image saved pffile in parse. can see , know there. want have cell image. rest of code below works fine , memory addresses of pffile print. textlabel , detailtextlabel fine images won't show (even if delete 'loadinbackground'). ideas?

 override func tableview(tableview: uitableview, cellforrowatindexpath indexpath: nsindexpath, object: pfobject?) -> pftableviewcell? {     var cell = tableview.dequeuereusablecellwithidentifier("cell") as! pftableviewcell!     if cell == nil {      cell = pftableviewcell(style: .subtitle, reuseidentifier: "cell")     }      if let name = object?["name"] as? string {         cell.textlabel?.text = name     }      if let artist = object?["artist"] as? string {         cell.detailtextlabel?.text = artist     }      if let artwork = object?["artwork"] as? pffile {         println("we've got artwork image \(artwork)")         //cell!.imageview!.image = uiimage(named: "placeholder.jpg")         cell.imageview?.file = artwork         cell.imageview?.loadinbackground()     }      return cell }

parse saves reference image in table, have async call retrieve message.:

let artwork = object?["artwork"] pffile artwork.getdatainbackgroundwithblock {   (imagedata: nsdata?, error: nserror?) -> void in   if error == nil {     if let imagedata = imagedata {         let image = uiimage(data:imagedata)     }   } }

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