code: def compose(self, force=False, bbox=None, **kwargs):
          
          from psd_tools.api.composer import compose
          image = None
          if not force or len(self) == 0:
              image = self.topil(**kwargs)
          if image is None:
              image = compose(
                  self, bbox=bbox or self.viewbox, force=force, **kwargs
              )
          return image
docs: Compose the PSD image.
  
          See :py:func:`~psd_tools.compose` for available extra arguments.
  
          :param bbox: Viewport tuple (left, top, right, bottom).
          :return: :py:class:`PIL.Image`, or `None` if there is no pixel.