k8s_sdk29.0 error:no attribute 'BatchV1beta1Api'

[Rettpa]

What happened (please include outputs or screenshots):
from kubernetes import client, config
config.load_kube_config('token//xxxx.conf')
k8s_api = client.BatchV1beta1Api()

AttributeError: module 'kubernetes.client' has no attribute 'BatchV1beta1Api'

k8s version = 1.20
k8s sdk version = 29.0.0

Environment:

• Kubernetes version (kubectl version):
• k8s1.20
• OS (e.g., MacOS 10.13.6):
• Python version (python --version)
• python3.6
• Python client version (pip list | grep kubernetes)
• 29.0.0

[showjason]

There is a significant version mismatch between k8s and k8s sdk, you can downgrade the version of k8s sdk or upgrade version of k8s.

[Rettpa]

There are both new and old versions of k8s, and the new version of sdk is not compatible