FilePicker Crop UI Bug?

filepicker.js

(function() {
  var ready;

  ready = function() {
    return $('.upload-picture').click(function(e) {
      return filepicker.pick({
        cropRatio: 3 / 2,
        mimetype: 'image/*',
        conversions: ['crop', 'rotate', 'filter'],
        imageDim: [600, 400],
        cropDim: [600, 400],
        webcamDim: [600, 400],
        services: ['COMPUTER', 'FACEBOOK', 'INSTAGRAM', 'WEBCAM']
      }, function(blob) {
        return $.ajax({
          url: 'users/update_avatar',
          type: 'POST',
          data: {
            user: {
              avatar: blob.url
            }
          },
          success: function(data) {
            return $('.user-avatar-image').fadeOut(300, function() {
              $(this).attr('src', blob.url).bind('onreadystatechange load', function() {
                if (this.complete) {
                  $(this).fadeIn(300);
                }
              });
            });
          }
        });
      });
    });
  };