fix pytouch build timeout issue in presubmit (#304)
fix pytouch build timeout issue in presubmit (#304)


kubeflow/kfserving-lts,kubeflow/kfserving-lts,kubeflow/kfserving-lts,kubeflow/kfserving-lts,kubeflow/kfserving-lts,kubeflow/kfserving-lts