[issue30256] Adding a SyncManager Queue proxy to a SyncManager dict or Namespace proxy raises an exception

[Irit Katriel]

Change by Irit Katriel <iritkatriel at gmail.com>:


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pull_requests: +25558
pull_request: https://github.com/python/cpython/pull/26998

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue30256>
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