Method __delitem__

lib/sqlalchemy/ext/mutable.py:934–937

Detect list del events and emit change events.

(self, index: SupportsIndex | slice)

        self.changed()

    def __delitem__(self, index: SupportsIndex | slice) -> None:
        """Detect list del events and emit change events."""
        list.__delitem__(self, index)
        self.changed()

    def pop(self, *arg: SupportsIndex) -> _T:
        result = list.pop(self, *arg)