python3 publish.py **************ap-northeast-1.amazonaws.com

Response status:  200

Response body: {"message":"OK","traceId":"503afd4e-fc3f-3fbe-e482-c88500c7483a"}

/usr/local/lib/python3.5/dist-packages/boto3/compat.py:94: PythonDeprecationWarning: 
Boto3 will no longer support Python 3.5 starting February 1, 2021. 
To continue receiving service updates, bug fixes, and security updates please upgrade to Python 3.6 or later. 
More information can be found here: 
https://aws.amazon.com/blogs/developer/announcing-the-end-of-support-for-python-3-4-and-3-5-in-the-aws-sdk-for-python-and-aws-cli-v1/

  warnings.warn(warning, PythonDeprecationWarning)

Traceback (most recent call last):

  File "publish.py", line 119, in <module>

    main()

  File "publish.py", line 109, in main

    shadow_state = get_shadow(url)

  File "publish.py", line 69, in get_shadow

    iot_data = boto3.client("iot-data", endpoint_url=url)

  File "/usr/local/lib/python3.5/dist-packages/boto3/__init__.py", line 93, in client

    return _get_default_session().client(*args, **kwargs)

  File "/usr/local/lib/python3.5/dist-packages/boto3/session.py", line 263, in client

    aws_session_token=aws_session_token, config=config)

  File "/usr/local/lib/python3.5/dist-packages/botocore/session.py", line 838, in create_client

    client_config=config, api_version=api_version)

  File "/usr/local/lib/python3.5/dist-packages/botocore/client.py", line 87, in create_client

    verify, credentials, scoped_config, client_config, endpoint_bridge)

  File "/usr/local/lib/python3.5/dist-packages/botocore/client.py", line 328, in _get_client_args

    verify, credentials, scoped_config, client_config, endpoint_bridge)

  File "/usr/local/lib/python3.5/dist-packages/botocore/args.py", line 73, in get_client_args

    endpoint_url, is_secure, scoped_config)

  File "/usr/local/lib/python3.5/dist-packages/botocore/args.py", line 154, in compute_client_args

    s3_config=s3_config,

  File "/usr/local/lib/python3.5/dist-packages/botocore/args.py", line 220, in _compute_endpoint_config

    return self._resolve_endpoint(**resolve_endpoint_kwargs)

  File "/usr/local/lib/python3.5/dist-packages/botocore/args.py", line 303, in _resolve_endpoint

    service_name, region_name, endpoint_url, is_secure)

  File "/usr/local/lib/python3.5/dist-packages/botocore/client.py", line 402, in resolve

    service_name, region_name)

  File "/usr/local/lib/python3.5/dist-packages/botocore/regions.py", line 134, in construct_endpoint

    partition, service_name, region_name)

  File "/usr/local/lib/python3.5/dist-packages/botocore/regions.py", line 148, in _endpoint_for_partition

    raise NoRegionError()

botocore.exceptions.NoRegionError: You must specify a region.