[issue43901] Lazy-create an empty annotations dict in all unannotated user classes and modules

[Larry Hastings]

Change by Larry Hastings <larry at hastings.org>:


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title: Add an empty annotations dict to all unannotated classes and modules -> Lazy-create an empty annotations dict in all unannotated user classes and modules

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue43901>
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