Upgraded the networkx version.
Upgraded the networkx version.

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