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Fix custom HelpFormatter for Python 3.14 #3524

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Merged
merged 2 commits into from
May 13, 2025
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Fix custom HelpFormatter for Python 3.14 #3524

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3c5d56b
Fix custom HelpFormatter for Python 3.14
The-Compiler May 8, 2025
502ab8c
Merge branch 'main' into python314
gaborbernat May 12, 2025
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1 change: 1 addition & 0 deletions docs/changelog/3523.bugfix.rst
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@@ -0,0 +1 @@
Fix ``TypeError`` for ``HelpFormatter`` with Python 3.14
4 changes: 2 additions & 2 deletions src/tox/config/cli/parser.py
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Expand Up @@ -95,8 +95,8 @@ def parse_args( # type: ignore[override] # avoid defining all overloads
class HelpFormatter(ArgumentDefaultsHelpFormatter):
"""A help formatter that provides the default value and the source it comes from."""

def __init__(self, prog: str) -> None:
super().__init__(prog, max_help_position=30, width=240)
def __init__(self, prog: str, **kwargs: Any) -> None:
super().__init__(prog, max_help_position=30, width=240, **kwargs)

def _get_help_string(self, action: Action) -> str | None:
text: str = super()._get_help_string(action) or ""
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