| Index: recipe_engine/run.py
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| diff --git a/recipe_engine/run.py b/recipe_engine/run.py
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| index d87694619e1c1e335d236fd1b9677e84aa548b77..a6d202bf0153c3f6a4390755e5d1e231f10eed8f 100644
 | 
| --- a/recipe_engine/run.py
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| +++ b/recipe_engine/run.py
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| @@ -101,7 +101,13 @@ ENV_WHITELIST_PYTHON = set([
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|      'PYTHONUNBUFFERED',
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|  ])
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|  
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| -ENV_WHITELIST_INFRA = ENV_WHITELIST_PYTHON | set([
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| +ENV_WHITELIST_SWARMING = set([
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| +    'SWARMING_BOT_ID',
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| +    'SWARMING_HEADLESS',
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| +    'SWARMING_TASK_ID',
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| +])
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| +
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| +ENV_WHITELIST_INFRA = ENV_WHITELIST_PYTHON | ENV_WHITELIST_SWARMING | set([
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|      'AWS_CREDENTIAL_FILE',
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|      'BOTO_CONFIG',
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|      'BUILDBOT_ARCHIVE_FORCE_SSH',
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| 
 |