Update kubernetes_pod_operator.py (#8481)
Update kubernetes_pod_operator.py (#8481)

* Update kubernetes_pod_operator.py

Fix internal bug 256847894

* fix whitespace errors
GoogleCloudPlatform/python-docs-samples,GoogleCloudPlatform/python-docs-samples,GoogleCloudPlatform/python-docs-samples,GoogleCloudPlatform/python-docs-samples