Weaken contract of PyUnstable_InterpreterFrame_GetCode to return PyObject*.

Author: markshannon

Doc/c-api/frame.rst

@@ -143,7 +143,7 @@ Unless using PEP 523, you will not need this.
    The interpreter's internal frame representation.
 
 
-.. c:function:: PyCodeObject* PyUnstable_InterpreterFrame_GetCode(struct _PyInterpreterFrame *frame);
+.. c:function:: PyObject* PyUnstable_InterpreterFrame_GetCode(struct _PyInterpreterFrame *frame);
 
     Return a :term:`strong reference` to the code object for the frame.
 

Include/cpython/frameobject.h

@@ -35,7 +35,7 @@ PyAPI_FUNC(void) PyFrame_FastToLocals(PyFrameObject *);
 
 /* Returns the code object of the frame (strong reference).
  * Does not raise an exception. */
-PyAPI_FUNC(PyCodeObject *) PyUnstable_InterpreterFrame_GetCode(struct _PyInterpreterFrame *frame);
+PyAPI_FUNC(PyObject *) PyUnstable_InterpreterFrame_GetCode(struct _PyInterpreterFrame *frame);
 
 /* Returns a byte ofsset into the last executed instruction.
  * Does not raise an exception. */

Python/frame.c

@@ -146,10 +146,10 @@ _PyFrame_ClearExceptCode(_PyInterpreterFrame *frame)
 
 /* Unstable API functions */
 
-PyCodeObject *
+PyObject *
 PyUnstable_InterpreterFrame_GetCode(struct _PyInterpreterFrame *frame)
 {
-    PyCodeObject *code = frame->f_code;
+    PyObject *code = (PyObject *)frame->f_code;
     Py_INCREF(code);
     return code;
 }