As of GATK 4.1.0.0, variants with missing alts are generated
    (see https://github.com/broadinstitute/gatk/issues/5650)

def includes_missingalt(data):
    """
    As of GATK 4.1.0.0, variants with missing alts are generated
    (see https://github.com/broadinstitute/gatk/issues/5650)
    """
    MISSINGALT_VERSION = LooseVersion("4.1.0.0")
    version = LooseVersion(broad.get_gatk_version(config=dd.get_config(data)))
    return version >= MISSINGALT_VERSION