made pep8 complaint
made pep8 complaint

jhonatanoliveira/pgmpy,vivek425ster/pgmpy,palashahuja/pgmpy,sandeepkrjha/pgmpy,pgmpy/pgmpy,abinashpanda/pgmpy,liquidmetal/pgmpy,sandeepkrjha/pgmpy,ankurankan/pgmpy,abinashpanda/pgmpy,liquidmetal/pgmpy,kris-singh/pgmpy,pratyakshs/pgmpy,vivek425ster/pgmpy,pgmpy/pgmpy,anaviltripathi/pgmpy,pratyakshs/pgmpy,ankurankan/pgmpy,yashu-seth/pgmpy,kris-singh/pgmpy,kislayabhi/pgmpy,palashahuja/pgmpy,khalibartan/pgmpy,yashu-seth/pgmpy,anaviltripathi/pgmpy,khalibartan/pgmpy,jhonatanoliveira/pgmpy,kislayabhi/pgmpy