[issue16385] evaluating literal dict with repeated keys gives no warnings/errors

[Rémi Lapeyre]

Rémi Lapeyre <remi.lapeyre at henki.fr> added the comment:

Guido van Rossum said in https://mail.python.org/pipermail/python-ideas/2019-March/055726.html: "this was an explicit design
decision that I made nearly 30 years ago".

I think the best way to avoid silently accepting such values would be to use @gregory.p.smith to use a function call to create the dictionary since duplicate keyword arguments raise an exception there.

I suggest to close this bug report since it works as expected.

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nosy: +remi.lapeyre
versions: +Python 3.7, Python 3.8 -Python 3.4

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