🐛 fix(metavar): render all tuple metavar elements and suppress None defaults#287
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gaborbernat merged 1 commit intotox-dev:mainfrom Mar 2, 2026
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Tuple metavars (e.g. nargs=2 with metavar=("KEY", "VALUE")) only rendered
the first element. Now all elements are joined with spaces. Additionally,
arguments with default=None no longer display "(default: None)" since that
adds no useful information.
Fixes tox-dev#159, fixes tox-dev#177
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Tuple metavars (e.g.
nargs=2withmetavar=("KEY", "VALUE")) only rendered the first element, making the documentation misleading for multi-value arguments. Now all elements are joined with spaces so the full signature is visible.Additionally, arguments with
default=Noneno longer display(default: "None")in the output. The string"None"added no useful information and was confusing — users couldn't tell ifNonewas a real default or just Python's representation of no default.Fixes #159, fixes #177