[issue26789] Please do not log during shutdown

[INADA Naoki]

INADA Naoki added the comment:

I'm -1 on suppress log silently.
While error message is bit surprising,

Traceback (most recent call last):
  File "/usr/lib/python3.5/asyncio/tasks.py", line 93, in __del__
  File "/usr/lib/python3.5/asyncio/base_events.py", line 1160, in call_exception_handler
...
  File "/usr/lib/python3.5/logging/__init__.py", line 1037, in _open
NameError: name 'open' is not defined

This traceback is very meaningful.
You can read tasks.py:93, and find there are pending task remains.

Implementing fallback mechanism make potential risk to miss such very
important traceback.

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nosy: +inada.naoki

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue26789>
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