minor changes
minor changes

jhonatanoliveira/pgmpy,ankurankan/pgmpy,ankurankan/pgmpy,anaviltripathi/pgmpy,yashu-seth/pgmpy,kris-singh/pgmpy,abinashpanda/pgmpy,jhonatanoliveira/pgmpy,pgmpy/pgmpy,pgmpy/pgmpy,yashu-seth/pgmpy,kris-singh/pgmpy,sandeepkrjha/pgmpy,khalibartan/pgmpy,liquidmetal/pgmpy,liquidmetal/pgmpy,abinashpanda/pgmpy,sandeepkrjha/pgmpy,khalibartan/pgmpy,anaviltripathi/pgmpy