Oh, hold on! I'm not sure I have the same definition of "ipv6 only" as the buildd. Mine involves not having ipv4 loopback at all, which does not raise the issue documented in the bug report, but tornado errors on binding to 127.0.0.1 instead.
If my ipv6 only host gets back an ipv4 loopback, then I reproduce the initial problem, independently of the changes in python3-tornado, which is unsurprising since the initial traceback does not involve the tornado module at all. I'm not sure how to proceed from there… :( -- Étienne Mollier <emoll...@emlwks999.eu> Fingerprint: 8f91 b227 c7d6 f2b1 948c 8236 793c f67e 8f0d 11da Sent from /dev/pts/6, please excuse my verbosity.
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