Andrew Svetlov <andrew.svet...@gmail.com> added the comment:

I have a different feeling: we should start raising deprecation for 
asyncio.Queue() if it is created without running event loop.

It required `get_event_loop()` and `loop.is_running()` checks.

Later the pair can be replaced with `get_running_loop()`.

I think no check at awaiting time is needed; we never do it for other asyncio 
parts.  Just control of the loop at creation time is enough; if the object is 
created inside a running loop the sane code will use it with this loop context 
always.

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Python tracker <rep...@bugs.python.org>
<https://bugs.python.org/issue38599>
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