Correctly handle cancelled error with async operations #1251
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Previously, a single future was used and any package which was received before the future was awaited was silently discarded.
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This is incorrect for trio, where the special trio canceled exception is caught by cancel scopes. Your change will break correct trio code. https://trio.readthedocs.io/en/stable/reference-core.html#trio.Cancelled |
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Without this, client code can't easily handle this exception as it is backend specific. Creating a common exception for both backends.