Method co_freevars

crates/vm/src/builtins/code.rs:852–861

(&self, vm: &VirtualMachine)

    #[pygetset]
    pub fn co_freevars(&self, vm: &VirtualMachine) -> PyTupleRef {
        let names = self
            .code
            .freevars
            .deref()
            .iter()
            .map(|name| name.to_pyobject(vm))
            .collect();
        vm.ctx.new_tuple(names)
    }

    #[pygetset]
    pub fn co_linetable(&self, vm: &VirtualMachine) -> crate::builtins::PyBytesRef {