some refactoring
some refactoring

SeldonIO/seldon-server,SeldonIO/seldon-server,smrjan/seldon-server,smrjan/seldon-server,SeldonIO/seldon-server,smrjan/seldon-server,smrjan/seldon-server,smrjan/seldon-server,SeldonIO/seldon-server,SeldonIO/seldon-server