code: def set_input(self, input_, put=False):
          
          if put and self.wd:
              self.logger.info("copying input data to HDFS")
              hdfs.put(input_, self.input)
          else:
              self.input = input_
              self.logger.info("assigning input to %s", self.input)
docs: Set the input path for the job.  If ``put`` is :obj:`True`, copy
          (local) ``input_`` to the working directory.