[Twisted-Python] Unhandled Error in python 3 test suite

[Tristan Seligmann]

On 23 March 2015 at 16:25, HawkOwl <hawkowl at atleastfornow.net> wrote:
> It's not really a bug -- it's just that the stderr isn't being captured like real Trial does. Twisted will reraise errors so they show up in logs, but will actually handle them (I think, anyway). The traceback formatting just says it's an unhandled error. That is, it was handled by Twisted, but it was unhandled by user code, and generated an errback or such.

Note that "Unhandled error in Deferred" is the default log message for
log.err, and a lot (most?) of the code that logs a failure calls
log.err without passing a different message.
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