gpu training example fix #88

Job	Run time
Publish Image (kubectl-delivery, build/images/kubectl-delivery/Dockerfile, linux/amd64,linux/arm6... / Publish Image	1m 50s
Publish Image (storage-initializer, sdk/python/kubeflow/storage_initializer/Dockerfile, sdk/pytho... / Publish Image	10m 33s
Publish Image (trainer-huggingface, sdk/python/kubeflow/trainer/hf_dockerfile, sdk/python/kubeflo... / Publish Image	5m 48s
Publish Image (training-operator, build/images/training-operator/Dockerfile, linux/amd64,linux/ar... / Publish Image	26m 16s
	44m 27s

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