ImportError: cannot import name '_unicodefun' from 'click'

[karthiknadig]

Environment:

• Python version: 3.10.2
• Click version: 8.1.0

This used to work fine with previous version, now I get this error when running tools like black:

ImportError: cannot import name '_unicodefun' from 'click' (/lib/python3.10/site-packages/click/__init__.py)

[davidism]

This internal module is no longer needed for any supported version of Python, and has been removed.

If a project was importing this, usually to disable it, they can either set their minimum version to Click>=8.1.0, or they can use try/except ImportError to conditionally import it. Black 22.3.0 has already been released to address this.

[karthiknadig]

when will the fixed version be out?

[ThiefMaster]

https://github.com/psf/black/blob/f239d227c003c52126239e1b9a37c36c2b2b8305/src/black/__init__.py#L1430-L1434

Looks like you just need to use a recent black version.

For the future: If you get an exception, include the traceback as well.

[Sillocan]

@karthiknadig This is an issue with black, not with click. psf/black#2964

[karthiknadig]

@Sillocan Thanks for info and Sorry for missing the details on this.

[arogozhnikov]

It is an issue with click too. Namely, very short notices on deprecations.

Black 22.3.0 has already been released to address this.

There are multiple other packages affected: to me those are typer and prefect.

I've updated black and changed formatting of projects.
Now I see other parts are not working and I probably need to downgrade black and revert formatting again.

I have previously suffered from click not being able to maintain relatively stable API (7 vs 8), but these immediate deprecations in minor versions are over my understanding.

[ThiefMaster]

A module starting with an underscore was always internal and never meant to be relied upon / used by anyone else. so while you may have a strong opinion about removing/deprecating anything that was part of a public API, this certainly cannot applied to _unicodefun...