Martin Panter added the comment:
I would prefer this be fixed in the opposite direction, to allow “unpacking” an
empty iterable using round brackets. I have used this syntax on purpose as a
concise way to ensure that a generator is exhaused with no more yields:
>>> def gen():
... yield "partial computation"
... print("computation allowed to complete")
...
>>> g = gen()
>>> next(g)
'partial computation'
>>> [] = g
computation allowed to complete
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<http://bugs.python.org/issue23275>
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