From 07f4218bf4ac4d41c4536eeefc9082be8a28f0fe Mon Sep 17 00:00:00 2001
From: "minh.pham2000" <minh.pham2000@linecorp.com>
Date: Thu, 16 Feb 2023 10:10:15 +0700
Subject: [PATCH] Add co_freevars to code object

---
 vm/src/builtins/code.rs | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/vm/src/builtins/code.rs b/vm/src/builtins/code.rs
index 24cb97007..c672d963d 100644
--- a/vm/src/builtins/code.rs
+++ b/vm/src/builtins/code.rs
@@ -262,6 +262,17 @@ impl PyRef<PyCode> {
         vm.ctx.new_tuple(varnames)
     }
 
+    #[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)
+    }
+
     #[pymethod]
     pub fn replace(self, args: ReplaceArgs, vm: &VirtualMachine) -> PyResult<PyCode> {
         let posonlyarg_count = match args.co_posonlyargcount {