def close(self):
        while self.open_fhs:
            fh = self.open_fhs.pop()
            fh.close()
        self.writers.clear()
Mark quitter as such.
dataset/ETHPy150Open manahl/mdf/mdf/builders/basic.py/CSVWriter.close--crossover with--dataset/ETHPy150Open NYUCCL/psiTurk/psiturk/experiment.py/quitter