object.c: recursion depth leak in `PyObject_Print`

[Wulian233]

Bug report

Bug description:

Parent: #146102
https://gist.github.com/devdanzin/196f041a81611b2fbff22684b2f7166e

PyObject_Print calls _Py_EnterRecursiveCall at line 639 but never calls _Py_LeaveRecursiveCall on the normal return path (line 691). Every successful call permanently increments the recursion depth counter. C API only — not directly callable from Python.

CPython versions tested on:

CPython main branch

Operating systems tested on:

No response

Linked PRs

• gh-148208: Fix recursion depth leak in PyObject_Print #148209