fixed bug in check_model of BayesianModel
fixed bug in check_model of BayesianModel

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