stage is null from get_pipeline_state

[davema-clan]

from future import print_function
import boto3
import traceback

code_pipeline = boto3.client('codepipeline')

def put_job_success(job, message):
code_pipeline.put_job_success_result(jobId=job)

def put_job_failure(job, message):
code_pipeline.put_job_failure_result(jobId=job, failureDetails={'message': message, 'type': 'JobFailed'})

def lambda_handler(event, context):
try:
job_id = event['CodePipeline.job']['id']
state = code_pipeline.get_pipeline_state(name='test')
print(state)
stage = state['stageStates'][1]
print(state)
basic_check = stage['actionStates'][0]['latestExecution']['lastUpdatedBy']
finance_check = stage['actionStates'][1]['latestExecution']['lastUpdatedBy']

    if basic_check == finance_check:
        print("失败了哦")
        put_job_failure(job_id, "错误: 两次审批均为一个审批人 ({}) ，流程失败!".format(basic_check))
    else:
        print("恭喜你，成功了！！！")
        put_job_success(job_id, "审批成功:两个审批人分别为 {} , {}".format(basic_check, finance_check))


except Exception as e:
    # If any other exceptions which we didn't expect are raised
    # then fail the job and log the exception message.
    traceback.print_exc()
    put_job_failure(job_id, 'Function exception: ' + str(e))
    
return

when I run the python scripte, I can't get state. my pipeline is v2.
if I create a pipeline for v1, it's fine.

stage:
{'pipelineName': 'test', 'pipelineVersion': 5, 'stageStates': [], 'created': datetime.datetime(2024, 5, 20, 10, 2, 36, 326000, tzinfo=tzlocal()), 'updated': datetime.datetime(2024, 5, 22, 10, 45, 54, 247000, tzinfo=tzlocal()), 'ResponseMetadata': {'RequestId': '62f96d9b-4d95-904e-', 'HTTPStatusCode': 200, 'HTTPHeaders': {'x-amzn-requestid': '62f96d9b-4d95-904e-', 'date': 'Wed, 22 May 2024 15:42:19 GMT', 'content-type': 'application/x-amz-json-1.1', 'content-length': '114', 'connection': 'keep-alive'}, 'RetryAttempts': 0}}

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