fixing _repr_html_ method for the CPD class
fixing _repr_html_ method for the CPD class

Cleaning up for code quailty

Cleaning up

jhonatanoliveira/pgmpy,kris-singh/pgmpy,jhonatanoliveira/pgmpy,khalibartan/pgmpy,kris-singh/pgmpy,sandeepkrjha/pgmpy,sandeepkrjha/pgmpy,pgmpy/pgmpy,abinashpanda/pgmpy,ankurankan/pgmpy,pgmpy/pgmpy,khalibartan/pgmpy,ankurankan/pgmpy,abinashpanda/pgmpy