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

[Jordan Speicher]

Change by Jordan Speicher <jspiker.6 at gmail.com>:


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keywords: +patch
pull_requests: +4709
stage:  -> patch review

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