code: def _check(sample, data):
      
      if dd.get_chip_method(sample).lower() == "atac":
          return [sample]
      if dd.get_phenotype(sample) == "input":
          return None
      for origin in data:
          if dd.get_batch(sample) in (dd.get_batches(origin[0]) or []) and dd.get_phenotype(origin[0]) == "input":
              sample["work_bam_input"] = origin[0].get("work_bam")
              return [sample]
      return [sample]
docs: Get input sample for each chip bam file.