def finish(self, finish_time=None):
        pass
Return the last row of data that was stored in the csv file
dataset/ETHPy150Open opentracing/opentracing-python/opentracing/span.py/Span.finish--crossover with--dataset/ETHPy150Open acil-bwh/SlicerCIP/Scripted/CIP_Common/CIP/ui/CaseReportsWidget.py/CaseReportsLogic.getLastRow