root@armadillo:~# python3 publish.py **********-1.amazonaws.com

Response status:  200

Response body: {"message":"OK","traceId":"9e2a5907-e0d8-dd46-beac-eb4cc4da35bb"}

/usr/local/lib/python3.5/dist-packages/boto3/compat.py:94: PythonDeprecationWarning: Boto3                   
ill no longer support Python 3.5 starting February 1, 2021. To continue receiving service u                  
dates, bug fixes, and security updates please upgrade to Python 3.6 or later. More informat                  
on can be found here: https://aws.amazon.com/blogs/developer/announcing-the-end-of-support-                  
or-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 71, in get_shadow

    res = iot_data.get_thing_shadow(thingName=THING_NAME)

  File "/usr/local/lib/python3.5/dist-packages/botocore/client.py", line 357, in _api_call

    return self._make_api_call(operation_name, kwargs)

  File "/usr/local/lib/python3.5/dist-packages/botocore/client.py", line 663, in _make_api_all

    operation_model, request_dict, request_context)

  File "/usr/local/lib/python3.5/dist-packages/botocore/client.py", line 682, in _make_request

    return self._endpoint.make_request(operation_model, request_dict)

  File "/usr/local/lib/python3.5/dist-packages/botocore/endpoint.py", line 102, in make_reqest

    return self._send_request(request_dict, operation_model)

  File "/usr/local/lib/python3.5/dist-packages/botocore/endpoint.py", line 132, in _send_reuest

    request = self.create_request(request_dict, operation_model)

  File "/usr/local/lib/python3.5/dist-packages/botocore/endpoint.py", line 116, in create_rquest

    operation_name=operation_model.name)

  File "/usr/local/lib/python3.5/dist-packages/botocore/hooks.py", line 356, in emit

    return self._emitter.emit(aliased_event_name, **kwargs)

  File "/usr/local/lib/python3.5/dist-packages/botocore/hooks.py", line 228, in emit

    return self._emit(event_name, kwargs)

  File "/usr/local/lib/python3.5/dist-packages/botocore/hooks.py", line 211, in _emit

    response = handler(**kwargs)

  File "/usr/local/lib/python3.5/dist-packages/botocore/signers.py", line 90, in handler

    return self.sign(operation_name, request)

  File "/usr/local/lib/python3.5/dist-packages/botocore/signers.py", line 162, in sign

    auth.add_auth(request)

  File "/usr/local/lib/python3.5/dist-packages/botocore/auth.py", line 357, in add_auth

    raise NoCredentialsError

botocore.exceptions.NoCredentialsError: Unable to locate credentials