Fix Py3 bytes/str issue in testcase using json.dumps/loads
Fix Py3 bytes/str issue in testcase using json.dumps/loads
mpi4py/mpi4py,pressel/mpi4py,pressel/mpi4py,pressel/mpi4py,pressel/mpi4py,mpi4py/mpi4py,mpi4py/mpi4py