def percent_id(self):
        "calculate fractional identity for this pairwise alignment"
        return float(len(self.srcPath)) / self.nidentity


###################################################################
#
# SINGLE LETTER GRAPH INTERFACE CLASSES
# INSTANTIATED ON THE FLY TO PROVIDE LETTER GRAPH INTERFACE
dataset/ETHPy150Open cjlee112/pygr/pygr/sequence.py/IntervalTransform.percent_id/swapped operands of `/`