[3.12] Doc: C API: Fix `Py_NewInterpreterFromConfig` example code (GH-126667) (#127202)

Doc: C API: Fix `Py_NewInterpreterFromConfig` example code (GH-126667)
(cherry picked from commit e3038e976b25a58f512d8c7083a752c89436eb0d)

Co-authored-by: Richard Hansen <rhansen@rhansen.org>

diff --git a/Doc/c-api/init.rst b/Doc/c-api/init.rst
index bec075038f06e0d8d03c68f868f59ef4757e7d93..aacbab0b3532e7a5d08e89818c585a4f2ce6979f 100644 (file)
--- a/Doc/c-api/init.rst
+++ b/Doc/c-api/init.rst
@@ -1644,7 +1644,11 @@ function. You can create and destroy them using the following functions:
           .check_multi_interp_extensions = 1,
           .gil = PyInterpreterConfig_OWN_GIL,
       };
-      PyThreadState *tstate = Py_NewInterpreterFromConfig(&config);
+      PyThreadState *tstate = NULL;
+      PyStatus status = Py_NewInterpreterFromConfig(&tstate, &config);
+      if (PyStatus_Exception(status)) {
+          Py_ExitStatusException(status);
+      }
 
    Note that the config is used only briefly and does not get modified.
    During initialization the config's values are converted into various