Description

dargueta-accompanyhealth

opened on Apr 17, 2025

Issue body actions

Bug report

Edit: It looks like this was fixed in #124587 but either regressed or that hasn't been released yet? It was merged October 2024.

Bug description:

If you call tomllib.loads() and mistakenly pass in a bytes object instead of a string...

tomllib.loads(b'a="asdf"')

...you get a TypeError as expected, but the error message is wrong:

TypeError: a bytes-like object is required, not 'str'

The error message should be the reverse, something like "a string-like object is required, not 'bytes'".

The bug is present on macOS with the following versions:

• 3.13.3
• 3.12.10
• 3.11.12

CPython versions tested on:

3.13, 3.12, 3.11

Operating systems tested on:

macOS

Activity

1. dargueta-accompanyhealth

   added

   type-bugAn unexpected behavior, bug, or errorAn unexpected behavior, bug, or error

   on Apr 17, 2025
2. StanFromIreland commented on Apr 17, 2025

   

   StanFromIreland

   on Apr 17, 2025

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   This should be closed, the problem is an update was not backported (it only works on 3.14) as it is a semi-bug/feature, if we want to backport it discussion should be moved to the original issue #124835.

   Backporting would only go as far as 3.13, there is nothing to do for other versions.
3. picnixz

   added

   stdlibStandard Library Python modules in the Lib/ directoryStandard Library Python modules in the Lib/ directory

   on Apr 17, 2025
4. StanFromIreland commented on Apr 17, 2025

   

   StanFromIreland

   on Apr 17, 2025

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   @picnixz Any thoughts -- should it be backported?
5. hauntsaninja commented on Apr 17, 2025

   

   hauntsaninja

   on Apr 17, 2025

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   I'd intentionally chosen not to backport as per #124835 (comment)
6. StanFromIreland commented on Apr 17, 2025

   

   StanFromIreland

   on Apr 17, 2025

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   This can be closed then :-)
7. hauntsaninja commented on Apr 17, 2025

   

   hauntsaninja

   on Apr 17, 2025

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   Thank you for reporting this!!
8. hauntsaninja

   closed this as not plannedon Apr 17, 2025
9. dargueta-accompanyhealth commented on Apr 17, 2025

   

   dargueta-accompanyhealth

   on Apr 17, 2025

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   Got it, makes sense. Thanks for the quick response as well.

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