From 91f60a9f2e4533284b0979c5e19c459309b6cd30 Mon Sep 17 00:00:00 2001
From: ShaharNaveh <50263213+ShaharNaveh@users.noreply.github.com>
Date: Fri, 12 Dec 2025 13:15:18 +0200
Subject: [PATCH 1/2] Add regression test for #4505

---
 extra_tests/snippets/code_co_names.py | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)
 create mode 100644 extra_tests/snippets/code_co_names.py

diff --git a/extra_tests/snippets/code_co_names.py b/extra_tests/snippets/code_co_names.py
new file mode 100644
index 00000000000..050721c2795
--- /dev/null
+++ b/extra_tests/snippets/code_co_names.py
@@ -0,0 +1,19 @@
+"""
+https://github.com/RustPython/RustPython/issues/4505
+"""
+
+def foo():
+    def inner():
+        pass
+
+assert foo.__code__.co_names == ()
+
+stmts = """
+import blah
+ 
+def foo():
+    pass
+"""
+
+code = compile(stmts, "<test>", "exec")
+assert code.co_names == ("blah", "foo")

From 26951d22397ed51d4604137a0e49fb0e03d4630f Mon Sep 17 00:00:00 2001
From: ShaharNaveh <50263213+ShaharNaveh@users.noreply.github.com>
Date: Fri, 12 Dec 2025 13:37:39 +0200
Subject: [PATCH 2/2] Move tests to `builtin_type.py`

---
 extra_tests/snippets/builtin_type.py  | 25 ++++++++++++++++++++++---
 extra_tests/snippets/code_co_names.py | 19 -------------------
 2 files changed, 22 insertions(+), 22 deletions(-)
 delete mode 100644 extra_tests/snippets/code_co_names.py

diff --git a/extra_tests/snippets/builtin_type.py b/extra_tests/snippets/builtin_type.py
index 820ee366155..abb68f812be 100644
--- a/extra_tests/snippets/builtin_type.py
+++ b/extra_tests/snippets/builtin_type.py
@@ -1,6 +1,6 @@
 import types
-from testutils import assert_raises
 
+from testutils import assert_raises
 
 # Spec: https://docs.python.org/2/library/types.html
 print(None)
@@ -111,8 +111,6 @@ class D:
 with assert_raises(TypeError):
     del int.__qualname__
 
-from testutils import assert_raises
-
 import platform
 
 if platform.python_implementation() == "RustPython":
@@ -607,3 +605,24 @@ class A(type):
 
 
 assert "__dict__" not in A.__dict__
+
+
+# regression tests for: https://github.com/RustPython/RustPython/issues/4505
+
+
+def foo():
+    def inner():
+        pass
+
+
+assert foo.__code__.co_names == ()
+
+stmts = """
+import blah
+
+def foo():
+    pass
+"""
+
+code = compile(stmts, "<test>", "exec")
+assert code.co_names == ("blah", "foo")
diff --git a/extra_tests/snippets/code_co_names.py b/extra_tests/snippets/code_co_names.py
deleted file mode 100644
index 050721c2795..00000000000
--- a/extra_tests/snippets/code_co_names.py
+++ /dev/null
@@ -1,19 +0,0 @@
-"""
-https://github.com/RustPython/RustPython/issues/4505
-"""
-
-def foo():
-    def inner():
-        pass
-
-assert foo.__code__.co_names == ()
-
-stmts = """
-import blah
- 
-def foo():
-    pass
-"""
-
-code = compile(stmts, "<test>", "exec")
-assert code.co_names == ("blah", "foo")