[issue39957] bpo39775 not fixed - inspect.Signature.parameters still dict/mappingproxy around dict

[Karthikeyan Singaravelan]

Change by Karthikeyan Singaravelan <tir.karthi at gmail.com>:


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nosy: +inada.naoki

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue39957>
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