Single string not cast to list of strings in role argument_spec validation about ansible HOT 4 CLOSED

Files identified in the description:

• lib/ansible/playbook/role/__init__.py

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Role argument validation is just validation and cannot change the content of variables, This is unlikely to change since it would introduce even more complexity to the already complex variable model, so default is just for documentation and the existing type validators only guarantee that it can be converted to the type, not that it is actually that type. See #81575 for the planned addition of strict validators, which is evidently on hold until data tagging lands.

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Duplicate of #78889

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Got it, thanks.

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