common/python/maxcompute_tea_openapi/client.py [162:173]:
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                    _request.body = tmp
                if not UtilClient.is_unset(request.body):
                    json_obj = UtilClient.to_jsonstring(request.body)
                    _request.body = json_obj
                    _request.headers['content-type'] = 'application/json; charset=utf-8'
                canonical_string = McUtilClient.build_canonical_string(params.method, params.pathname, _request.query, _request.headers)
                if not UtilClient.equal_string(params.auth_type, 'Anonymous'):
                    if UtilClient.is_unset(self._credential):
                        raise TeaException({
                            'code': f'InvalidCredentials',
                            'message': f'Please set up the credentials correctly. If you are setting them through environment variables, please ensure that ALIBABA_CLOUD_ACCESS_KEY_ID and ALIBABA_CLOUD_ACCESS_KEY_SECRET are set correctly. See https://help.aliyun.com/zh/sdk/developer-reference/configure-the-alibaba-cloud-accesskey-environment-variable-on-linux-macos-and-windows-systems for more details.'
                        })
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common/python/maxcompute_tea_openapi/client.py [340:351]:
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                    _request.body = tmp
                if not UtilClient.is_unset(request.body):
                    json_obj = UtilClient.to_jsonstring(request.body)
                    _request.body = json_obj
                    _request.headers['content-type'] = 'application/json; charset=utf-8'
                canonical_string = McUtilClient.build_canonical_string(params.method, params.pathname, _request.query, _request.headers)
                if not UtilClient.equal_string(params.auth_type, 'Anonymous'):
                    if UtilClient.is_unset(self._credential):
                        raise TeaException({
                            'code': f'InvalidCredentials',
                            'message': f'Please set up the credentials correctly. If you are setting them through environment variables, please ensure that ALIBABA_CLOUD_ACCESS_KEY_ID and ALIBABA_CLOUD_ACCESS_KEY_SECRET are set correctly. See https://help.aliyun.com/zh/sdk/developer-reference/configure-the-alibaba-cloud-accesskey-environment-variable-on-linux-macos-and-windows-systems for more details.'
                        })
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