Method __init__

src/werkzeug/exceptions.py:214–220

(self, arg: object | None = None, *args: t.Any, **kwargs: t.Any)

    show_exception = False

    def __init__(self, arg: object | None = None, *args: t.Any, **kwargs: t.Any):
        super().__init__(*args, **kwargs)

        if arg is None:
            KeyError.__init__(self)
        else:
            KeyError.__init__(self, arg)

    @property
    def description(self) -> str: