code: def render_sparkline(self, **kwargs):
          
          spark_options = dict(
              width=200,
              height=50,
              show_dots=False,
              show_legend=False,
              show_x_labels=False,
              show_y_labels=False,
              spacing=0,
              margin=5,
              min_scale=1,
              max_scale=2,
              explicit_size=True,
              no_data_text='',
              js=(),
              classes=(_ellipsis, 'pygal-sparkline')
          )
          spark_options.update(kwargs)
          return self.render(**spark_options)
docs: Render a sparkline