def get_arg_var(self) -> Var:
        """Get the arg var for the tag (with curly braces).

        This is used to reference the arg var within the tag.

        Returns:
            The arg var.
        """
        return Var(
            _js_expr=self.arg_var_name,
            _var_type=self.get_iterable_var_type(),
        ).guess_type()
Get the arg var for the tag (with curly braces).

        This is used to reference the arg var within the tag.

        Returns:
            The arg var.
        
reflex/components/tags/iter_tag.py