code: def remove_lcr_regions(orig_bed, items):
      
      lcr_bed = tz.get_in(["genome_resources", "variation", "lcr"], items[0])
      if lcr_bed and os.path.exists(lcr_bed) and "lcr" in get_exclude_regions(items):
          return _remove_regions(orig_bed, [lcr_bed], "nolcr", items[0])
      else:
          return orig_bed
docs: If configured and available, update a BED file to remove low complexity regions.