Method _broadcast_dep

dask/dataframe/dask_expr/_expr.py:1876–1883

(self, dep: Expr)

        return {}

    def _broadcast_dep(self, dep: Expr):
        if (
            dep.npartitions == 1
            and isinstance(self.operand("arg"), Expr)
            and dep is self.operand("arg")
        ):
            return True
        return super()._broadcast_dep(dep)

    def _divisions(self):
        if not self.is_monotonic: