[issue34014] loop.run_in_executor should propagate current contextvars

[Yury Selivanov]

Yury Selivanov <yselivanov at gmail.com> added the comment:

I considered enabling that, but in the end decided not to. The reason is that it's possible to use a ProcessPoolExecutor with run_in_execuror(), and context cars currently don't support pickling (and probably never will). We can't have a single api that sometimes works with contextvars and sometimes doesn't.

So this is a "won't fix".

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<https://bugs.python.org/issue34014>
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