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Issue #, if available: N/A - small fix, can create if required.

Description of changes: When no input channels are provided, input_data_config must be None rather than an empty list to avoid SageMaker API validation errors. This appears to be a regression caused by this recent fix. Before, input_data_config=[] would be dropped from the config silently, avoiding the validation issue in the API. Now, however, it is not dropped, which breaks the validation.

By submitting this pull request, I confirm that you can use, modify, copy, and redistribute this contribution, under the terms of your choice.

@danb27
fix(model_trainer): set input_data_config to None when no sources are…
5dde311
… provided
When no input channels are provided, input_data_config must be None
rather than an empty list to avoid SageMaker API validation errors.
@danb27danb27 changed the title fix(model_trainer): set input_data_config to Nonefix(train): set input_data_config to NoneAug 4, 2026
@danb27danb27 mentioned this pull request Aug 5, 2026
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fix(train): set input_data_config to None by danb27 · Pull Request #6154 · aws/sagemaker-python-sdk · GitHub
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Issue #, if available: N/A - small fix, can create if required.
Description of changes: When no input channels are provided, input_data_config must be None rather than an empty list to avoid SageMaker API validation errors. This appears to be a regression caused by this recent fix. Before, input_data_config=[] would be dropped from the config silently, avoiding the validation issue in the API. Now, however, it is not dropped, which breaks the validation.
By submitting this pull request, I confirm that you can use, modify, copy, and redistribute this contribution, under the terms of your choice.
@danb27
fix(model_trainer): set input_data_config to None when no sources are…
5dde311
… provided
When no input channels are provided, input_data_config must be None
rather than an empty list to avoid SageMaker API validation errors.
@danb27danb27
changed the title
fix(model_trainer): set input_data_config to Nonefix(train): set input_data_config to NoneAug 4, 2026
@danb27danb27
mentioned this pull request
Aug 5, 2026

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fix(train): set input_data_config to None by danb27 · Pull Request #6154 · aws/sagemaker-python-sdk · GitHub
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Issue #, if available: N/A - small fix, can create if required.
Description of changes: When no input channels are provided, input_data_config must be None rather than an empty list to avoid SageMaker API validation errors. This appears to be a regression caused by this recent fix. Before, input_data_config=[] would be dropped from the config silently, avoiding the validation issue in the API. Now, however, it is not dropped, which breaks the validation.
By submitting this pull request, I confirm that you can use, modify, copy, and redistribute this contribution, under the terms of your choice.
@danb27
fix(model_trainer): set input_data_config to None when no sources are…
5dde311
… provided
When no input channels are provided, input_data_config must be None
rather than an empty list to avoid SageMaker API validation errors.
@danb27danb27
changed the title
fix(model_trainer): set input_data_config to Nonefix(train): set input_data_config to NoneAug 4, 2026
@danb27danb27
mentioned this pull request
Aug 5, 2026

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var __m = "*";
var __re = new RegExp('^' + ".*" + '
fix(train): set input_data_config to None by danb27 · Pull Request #6154 · aws/sagemaker-python-sdk · GitHub
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fix(train): set input_data_config to None - #6154
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Issue #, if available: N/A - small fix, can create if required.
Description of changes: When no input channels are provided, input_data_config must be None rather than an empty list to avoid SageMaker API validation errors. This appears to be a regression caused by this recent fix. Before, input_data_config=[] would be dropped from the config silently, avoiding the validation issue in the API. Now, however, it is not dropped, which breaks the validation.
By submitting this pull request, I confirm that you can use, modify, copy, and redistribute this contribution, under the terms of your choice.
@danb27
fix(model_trainer): set input_data_config to None when no sources are…
5dde311
… provided
When no input channels are provided, input_data_config must be None
rather than an empty list to avoid SageMaker API validation errors.
@danb27danb27
changed the title
fix(model_trainer): set input_data_config to Nonefix(train): set input_data_config to NoneAug 4, 2026
@danb27danb27
mentioned this pull request
Aug 5, 2026

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, 'i');
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var __re = new RegExp('^' + "youtube\\.com" + '
fix(train): set input_data_config to None by danb27 · Pull Request #6154 · aws/sagemaker-python-sdk · GitHub
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fix(train): set input_data_config to None - #6154
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Issue #, if available: N/A - small fix, can create if required.
Description of changes: When no input channels are provided, input_data_config must be None rather than an empty list to avoid SageMaker API validation errors. This appears to be a regression caused by this recent fix. Before, input_data_config=[] would be dropped from the config silently, avoiding the validation issue in the API. Now, however, it is not dropped, which breaks the validation.
By submitting this pull request, I confirm that you can use, modify, copy, and redistribute this contribution, under the terms of your choice.
@danb27
fix(model_trainer): set input_data_config to None when no sources are…
5dde311
… provided
When no input channels are provided, input_data_config must be None
rather than an empty list to avoid SageMaker API validation errors.
@danb27danb27
changed the title
fix(model_trainer): set input_data_config to Nonefix(train): set input_data_config to NoneAug 4, 2026
@danb27danb27
mentioned this pull request
Aug 5, 2026

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, 'i');
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(function(){
try {
var __m = "*";
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fix(train): set input_data_config to None by danb27 · Pull Request #6154 · aws/sagemaker-python-sdk · GitHub
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fix(train): set input_data_config to None - #6154
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Issue #, if available: N/A - small fix, can create if required.
Description of changes: When no input channels are provided, input_data_config must be None rather than an empty list to avoid SageMaker API validation errors. This appears to be a regression caused by this recent fix. Before, input_data_config=[] would be dropped from the config silently, avoiding the validation issue in the API. Now, however, it is not dropped, which breaks the validation.
By submitting this pull request, I confirm that you can use, modify, copy, and redistribute this contribution, under the terms of your choice.
@danb27
fix(model_trainer): set input_data_config to None when no sources are…
5dde311
… provided
When no input channels are provided, input_data_config must be None
rather than an empty list to avoid SageMaker API validation errors.
@danb27danb27
changed the title
fix(model_trainer): set input_data_config to Nonefix(train): set input_data_config to NoneAug 4, 2026
@danb27danb27
mentioned this pull request
Aug 5, 2026

Open

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, 'i');
if (__m === '*' || __re.test(location.href)) {
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var __m = "*";
var __re = new RegExp('^' + ".*" + '
fix(train): set input_data_config to None by danb27 · Pull Request #6154 · aws/sagemaker-python-sdk · GitHub
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fix(train): set input_data_config to None - #6154
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Issue #, if available: N/A - small fix, can create if required.
Description of changes: When no input channels are provided, input_data_config must be None rather than an empty list to avoid SageMaker API validation errors. This appears to be a regression caused by this recent fix. Before, input_data_config=[] would be dropped from the config silently, avoiding the validation issue in the API. Now, however, it is not dropped, which breaks the validation.
By submitting this pull request, I confirm that you can use, modify, copy, and redistribute this contribution, under the terms of your choice.
@danb27
fix(model_trainer): set input_data_config to None when no sources are…
5dde311
… provided
When no input channels are provided, input_data_config must be None
rather than an empty list to avoid SageMaker API validation errors.
@danb27danb27
changed the title
fix(model_trainer): set input_data_config to Nonefix(train): set input_data_config to NoneAug 4, 2026
@danb27danb27
mentioned this pull request
Aug 5, 2026

Open

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, 'i');
if (__m === '*' || __re.test(location.href)) {
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if (!enabled) return;
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})();
})();
fix(train): set input_data_config to None by danb27 · Pull Request #6154 · aws/sagemaker-python-sdk · GitHub
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fix(train): set input_data_config to None - #6154
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Issue #, if available: N/A - small fix, can create if required.
Description of changes: When no input channels are provided, input_data_config must be None rather than an empty list to avoid SageMaker API validation errors. This appears to be a regression caused by this recent fix. Before, input_data_config=[] would be dropped from the config silently, avoiding the validation issue in the API. Now, however, it is not dropped, which breaks the validation.
By submitting this pull request, I confirm that you can use, modify, copy, and redistribute this contribution, under the terms of your choice.
@danb27
fix(model_trainer): set input_data_config to None when no sources are…
5dde311
… provided
When no input channels are provided, input_data_config must be None
rather than an empty list to avoid SageMaker API validation errors.
@danb27danb27
changed the title
fix(model_trainer): set input_data_config to Nonefix(train): set input_data_config to NoneAug 4, 2026
@danb27danb27
mentioned this pull request
Aug 5, 2026

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