Nathaniel Smith <[email protected]> added the comment:
Question: there are lots of tests -- for example
test.test_asyncio.test_tasks.CTaskSubclass_PyFuture_Tests.test_wait_with_exception,
which freezes for me -- that use 'yield from asyncio.sleep(...)', e.g.:
@asyncio.coroutine
def sleeper():
yield from asyncio.sleep(0.15, loop=loop)
raise ZeroDivisionError('really')
But Andrew switch asyncio.sleep to be an ordinary 'async def' coroutine back in
December. How does this work at all?
My tentative hypothesis about the actual bug is that the code above is working
in regular mode, but stops working in debug mode, probably because in debug
mode @asyncio.coroutine takes a different path involving CoroWrapper and we
changed CoroWrapper. But I'm having trouble knowing how to verify or fix that
because I don't understand how it ever works in the first place :-)
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<https://bugs.python.org/issue32636>
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