boto3 client boto3.client() response client.describe_cases() (response)
raise ClientError(parsed_response, operation_name)
botocore.exceptions.ClientError: An error occurred (SubscriptionRequiredException) when calling the DescribeCases operation: AWS Premium Support Subscription is required to use this service.
原文：http://hncsjj.blog.51cto.com/1907587/1880268