ClientError An error occurred (IllegalLocationConstraintException) when calling the ListObjectsV2 operation: The ap-east-1 location constraint is incompatible for the region specific endpoint this request was sent to

Describe the bug Got an error with message below:

To Reproduce Steps to reproduce the behavior: Docker command: docker run --rm --mount type=bind,src=/my-source/cloudformation,target=/root --workdir /root taskcat/taskcat taskcat test run

Within /my-source/cloudformation, directories are listed below:

/root/.aws/configure

[default]
aws_access_key_id=my_key
aws_secret_access_key=my_secret

/root/.aws/config

[default]
region=ap-east-1
output=text

/root/.taskcat.yml

project:
  name: opensearch
  package_lambda: false
  s3_bucket: my-s3-bucket-in-ap-east-1
  shorten_stack_name: true
  auth:
    default: default
  regions:
    - ap-east-1
tests:
  ossetup:
    stack_name: opensearch-setup
    template: /root/cf-OpenSearchServer.yml

Result Output:

version 0.9.39
Not in terminal, reprint now using normal build-in print function.

[INFO   ] : Linting passed for file: /root/cf-OpenSearchServer.yml
[WARN   ] : No stacks were created... skipping cleanup.
[ERROR  ] : ClientError An error occurred (IllegalLocationConstraintException) when calling the ListObjectsV2 operation: The ap-east-1 location constraint is incompatible for the region specific endpoint this request was sent to.

**Version (Please make sure you are running the latest version of taskcat)

version 0.9.39

Note: Python Version (python3 required)

Additional context I've researched this problem but not sure how to fix this. Here are the references:

Please help. Thank you very much in advance for your help.

aws-ia / taskcat

ClientError An error occurred (IllegalLocationConstraintException) when calling the ListObjectsV2 operation: The ap-east-1 location constraint is incompatible for the region specific endpoint this request was sent to #801