Fix container.set_image_pull_policy documentation string (#3653)
Fix container.set_image_pull_policy documentation string (#3653)

The API function seemed to be not correct, which is now fixed.

Signed-off-by: Sascha Grunert <70ab469ddb2ac3e35f32ed7c2fd1cca514b2e879@suse.com>
kubeflow/pipelines,kubeflow/pipelines,kubeflow/pipelines,kubeflow/pipelines,kubeflow/pipelines,kubeflow/pipelines