Method remove

cocoa/src/toga_cocoa/widgets/tree.py:234–242

(self, index, item, parent=None)

    # March 2026: In 0.5.3 and earlier, notification methods
    # didn't start with 'source_'
    def remove(self, index, item, parent=None):
        import warnings

        warnings.warn(
            "The remove() method is deprecated. Use source_remove() instead.",
            DeprecationWarning,
            stacklevel=1,
        )
        self.source_remove(index=index, item=item, parent=parent)

    def source_remove(self, *, index, item, parent=None):
        try: