(self)
return self._data.chart
Returns a chart back from the aggregation.
Returns a chart back from the aggregation.
Returns a chart back from the aggregation .
def chart(self):
        """Returns a chart back from the aggregation."""
        if not self._data:
            return None
        return self._data.chart
def chart ( self ) : if not self . _data : return None return self . _data . chart