improve formatting/fix lint errors

Author: brijkapadia

Include/cpython/funcobject.h

@@ -43,7 +43,7 @@ typedef struct {
     PyObject *func_annotations; /* Annotations, a dict or NULL */
     PyObject *func_annotate;    /* Callable to fill the annotations dictionary */
     PyObject *func_typeparams;  /* Tuple of active type variables or NULL */
-    PyObject *func_old_codes;   /* NULL or list of past code objects */
+    PyObject *func_old_codes;   /* List of past code objects or NULL */
     vectorcallfunc vectorcall;
     /* Version number for use by specializer.
      * Can set to non-zero when we want to specialize.

Include/internal/pycore_interpframe.h

@@ -161,7 +161,9 @@ static inline void _PyFrame_Copy(_PyInterpreterFrame *src, _PyInterpreterFrame *
 }
 
 /* Generator frames need a strong reference to the code object */
-static inline void _PyFrame_CopyForGenerators(_PyInterpreterFrame *old_frame, _PyInterpreterFrame *gen_frame) {
+static inline void
+_PyFrame_CopyForGenerators(_PyInterpreterFrame *old_frame, _PyInterpreterFrame *gen_frame)
+{
     _PyFrame_Copy(old_frame, gen_frame);
     gen_frame->owner = FRAME_OWNED_BY_GENERATOR;
     gen_frame->f_executable = PyStackRef_MakeHeapSafe(gen_frame->f_executable);

Include/internal/pycore_interpframe_structs.h

@@ -27,7 +27,9 @@ enum _frameowner {
 };
 
 struct _PyInterpreterFrame {
-    _PyStackRef f_executable; /* Borrowed reference (code object or None) */
+    /* Borrowed reference (code object or None) */
+    /* Strong reference for generators */
+    _PyStackRef f_executable;
     struct _PyInterpreterFrame *previous;
     _PyStackRef f_funcobj; /* Deferred or strong reference. Only valid if not on C stack */
     PyObject *f_globals; /* Borrowed reference. Only valid if not on C stack */

Misc/NEWS.d/next/Core_and_Builtins/2026-07-04-17-04-03.gh-issue-152666.Vo5wJv.rst

@@ -1,2 +1,3 @@
-Avoid reference counting of :class:`code` objects when creating and destroying
+Avoid reference counting of :class:`code` objects when creating and destroying
 frames by having functions retain a list of all past :class:`code` objects.
+