code: def first_frame(obj):
      "Only display the first frame of an animated plot"
      plot, renderer, fmt = single_frame_plot(obj)
      plot.update(0)
      return {'text/html': renderer.html(plot, fmt)f first_frame(obj):
      "Only display the first frame of an animated plot"
      plot, renderer, fmt = single_frame_plot(obj)
      plot.update(0)
      return {'text/html': renderer.html(plot, fmt)}
docs: Only display the first frame of an animated plot