code: def download_data(job, master_ip, inputs, known_snps, bam, hdfs_snps, hdfs_bam):
      
  
      log.info("Downloading known sites file %s to %s.", known_snps, hdfs_snps)
      call_conductor(job, master_ip, known_snps, hdfs_snps, memory=inputs.memory)
  
      log.info("Downloading input BAM %s to %s.", bam, hdfs_bam)
      call_conductor(job, master_ip, bam, hdfs_bam, memory=inputs.memory)
docs: Downloads input data files from S3.
  
      :type masterIP: MasterAddress