updated travis.yml
updated travis.yml

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