STINNER Victor <[email protected]> added the comment:
> As I first mentioned in my post[1] on comp.lang.python, it seems possible to
> modify a dict while a lookup is ongoing, without causing the lookup to
> restart.
That's a bad practice. Python dict raises an exception in some cases:
RuntimeError("dict mutated during update").
Detecting any change during a lookup would slow down, whereas dict performance
is key in Python performance in general, since dict is used everywhere for
Python namespaces.
I close the issue as "wont fix".
----------
nosy: +vstinner
resolution: -> wont fix
stage: test needed -> resolved
status: open -> closed
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Python tracker <[email protected]>
<https://bugs.python.org/issue1736792>
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