def Check_VCF_Paths(tp_vcf_path, fp_vcf_path):
    """Checks to make sure there are equal numbers of tp and fp vcfs

    Parameters
    ----------
    tp_vcf_path : str
        comma seperated list of TP vcf paths
    fp_vcf_path : str
        comma seperated list of FP vcf paths

    Returns
    -------
    list
        a list of tuples containing paired vcf paths
    """

    if "," in tp_vcf_path or "," in fp_vcf_path:
        if len(tp_vcf_path.split(",")) != len(fp_vcf_path.split(",")):
            raise ValueError('Unequal number of True and False VCFs supplied')

    return zip(tp_vcf_path.split(","), fp_vcf_path.split(","))