def addFollowOnJobFn(self, fn, *args, **kwargs):
        return self.addFollowOn(JobFunctionWrappingJob(fn, *args, **kwargs))
Supports len() function (e.g. 'len(cells) == 1').
dataset/ETHPy150Open BD2KGenomics/toil/src/toil/job.py/Job.addFollowOnJobFn--crossover with--dataset/ETHPy150Open scanny/python-pptx/pptx/shapes/table.py/_CellCollection.__len__