[issue20792] IDLE: Extend tests for PathBrowser

[Steven D'Aprano]

Steven D'Aprano added the comment:

I think you may have misread PEP 8. It does not recommend a trailing underscore for names that shadow built-ins (e.g. file_ instead of file), it only recommends a trailing underscore when you need to use a keyword as a name (e.g. class_ instead of class). Shadowing built-ins should be done with care, but is permitted.

If there is little or no risk of confusion with the built-ins, there is no need to worry about shadowing them. It's just another name.

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nosy: +stevenjd

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