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From:	Jim Bell <Jim AT JC-Bell DOT com>
Subject:	python fails asyncio tests (py 3.7 & 3.8)
Organization:	J. C. Bell & Associates, Inc.
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Date:	Sat, 21 Nov 2020 05:59:01 -0600
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The standard python asyncio tests hang.

         cd /usr/lib/python3.8/test

         python3.8 test_asyncore.py -v

Passes a bunch of tests, then hangs at:

     test_connection_attributes (__main__.TestAPI_UseUnixSocketsPoll) ...

(A more focused test run: "python3.8 test_asyncore.py -c -f -k Unix")

Likewise,

         python3.8 -m unittest -v test_asyncio

Passes a bunch of tests, then hangs at:

     test_create_unix_server 
(test.test_asyncio.test_events.PollEventLoopTests) ...

I tried enabling tracing, but then unittest doesn't want to run any 
tests ("python3.8 -m trace -c test_asyncore.py" says "Ran 0 tests")

Same for python3.7. I only tested 3.7 & 3.8.

Glad to attach a run of "cygcheck -s -v -r" but it's 1.4M. Running 
CygWin-64 under Windows 10 Professional Ver 10.0 Build 19041



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