Addressed PEP-8 incompatibilities detected by pep8.py (Issue 117)
Addressed PEP-8 incompatibilities detected by pep8.py (Issue 117)

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