if eqtl==True it returns a bool vec for cis

def getIcis_geno(self,geneID,cis_window=50E3):
        """ if eqtl==True it returns a bool vec for cis """
        assert self.eqtl == True, 'Only for eqtl data'
        index = self.geneID==geneID
        [_chrom,_gene_start,_gene_end] = self.gene_pos[index][0,:]
        Icis = (self.genoChrom==_chrom)*(self.genoPos>=_gene_start-cis_window)*(self.genoPos<=_gene_end+cis_window)
        return Icis