8000 Improve error message when passing an invalid producer to `dict` · Issue #135765 · python/cpython · GitHub
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Improve error message when passing an invalid producer to dict #135765
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@deanm0000

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@deanm0000

Bug report

Bug description:

dict("")
# {}
dict(" ")
ValueError: dictionary update sequence element #0 has length 1; 2 is required

I can see how an empty string might be intended to return an empty dict but since " " is raising an error about the 0th element needing a longer length it seems it isn't looking at the type of the input and an empty string works simply because its length is 0.

CPython versions tested on:

3.11

Operating systems tested on:

Linux

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    interpreter-core(Objects, Python, Grammar, and Parser dirs)(Objects, Python, Grammar, and Parser dirs)pendingThe issue will be closed if no feedback is providedtype-featureA feature request or enhancement

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