Alexandr Nesterenko

Modern ruby handle dict.hash keys in ASCII-8BIT encoding. So the segmentation doesn't work.

#12499 readBody from twisted.web.client cancel exception fix

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## Scope and purpose Fixes #12499 Shortly: readBody from twisted.web.client cannot be correctly canceled (without unhandled exception) Reproduce steps are mentioned in issue #12499

readBody from twisted.web.client cannot be correctly canceled

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**twisted.internet.defer.AlreadyCalledError exception if you cancel readBody deferred** readBody from twisted.web.client cannot be correctly canceled if connection is hang **How to cause this behavior** To reproduce the problem you need slow...