Both when trying to draw a spline chart, and also on examining highcharts_types.py, it appears that the spline type does not accept the 'linkedTo' option, although this option is described in the Highcharts documentation and is available for many other data types.
Both when trying to draw a spline chart, and also on examining highcharts_types.py, it appears that the spline type does not accept the 'linkedTo' option, although this option is described in the Highcharts documentation and is available for many other data types.