def join_option(self, option, sep, formatter='%s'):
    values = self.options.get(option, None)
    if values:
      self.options[option] = sep.join(formatter % (v, ) for v in values)
Constructor
dataset/ETHPy150Open mtth/azkaban/azkaban/job.py/Job.join_option--crossover with--dataset/ETHPy150Open jimklo/LRSignature/src/LRSignature/errors.py/UnknownKeyException.__init__