def _check_constools(): return which('dataset') and which('samtools') and which('pbmerge') and which('pbindex')
def _check_bam2fastx(): return which('bam2fasta') and which('bam2fastq')
def _check_xmllint(): return which('xmllint')
def _check_constools(): return which('pbindex') and which('samtools') and which('pbmerge')