installing thrift python package as it is now required by one unit test
installing thrift python package as it is now required by one unit test

p4lang/behavioral-model,p4lang/behavioral-model,hanw/behavioral-model,hanw/behavioral-model,hanw/behavioral-model,p4lang/behavioral-model,p4lang/behavioral-model,p4lang/behavioral-model,hanw/behavioral-model,hanw/behavioral-model