'DEPRECATED
Add a new segment to the chart and return it.
The segment must contain exactly one data point; all parameters
other than color and label are ignored.'

def AddSeries(self, points, color=None, style=None, markers=None, label=None):

    warnings.warn('PieChart.AddSeries    is    deprecated.        Call    AddSegment    or    AddSegments    instead.', DeprecationWarning)
    return self.AddSegment(Segment(points[0], color=color, label=label))
