                                 }
                             }
                         default:
-                            completion(defaultRoundAvatarOfRadius(radius))
                             break
                         }
                     }

                                }
                            }
                        default:
                            completion(defaultRoundAvatarOfRadius(radius))
                            break
                        }
                    }


    func roundAvatarWithAvatarURLString(avatarURLString: String, withRadius radius: CGFloat, completion: (UIImage) -> ()) {

        completion(defaultRoundAvatarOfRadius(radius))

        if avatarURLString.isEmpty {
            return
        }

