choose better var names and use try-except pattern to avoid slow double lookup
choose better var names and use try-except pattern to avoid slow double lookup

RitwikGupta/pygr,ctb/pygr,GenDataPro/pygr,cjlee112/pygr,ctb/pygr,RitwikGupta/pygr,RitwikGupta/pygr,GenDataPro/pygr,ctb/pygr,theoryno3/pygr,ctb/pygr,cjlee112/pygr,cjlee112/pygr,ctb/pygr,cjlee112/pygr,GenDataPro/pygr,theoryno3/pygr,theoryno3/pygr