use c.f.Future to wait across threads #940
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Future allows us to propagate errors across threads, instead of threading.Event, which only waits forever and can result in uninformative hangs if there are errors.
I think it's better it's better to raise an error just to be sure that we're doing things as expected. |
ccordoba12
approved these changes
Mar 30, 2023
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Future allows us to propagate errors across threads, instead of threading.Event, which only waits forever and can result in uninformative hangs if there are errors.
this is related to spyder-ide/spyder#20381 where flush is being called on a closed stream, but the traceback doesn't track to the actual caller of
channel.flush()because of how it's scheduled.This shouldn't actually change the behavior, only improve error reporting when e.g. calling flush on a closed channel.
Alternately, we could choose to turn this error into a warning, which would in fact be a change in behavior.