The wrapper function is supposed to be for spawnvpe() so that's

Andrew MacIntyre · Andrew MacIntyre · commit 94dcf0ddbf4b · 2008-02-03T07:07:31.000Z
what we should call [this wrapper only available on OS/2].

Backport candidate to 2.5.
diff --git a/Modules/posixmodule.c b/Modules/posixmodule.c
@@ -3538,9 +3538,9 @@ posix_spawnvpe(PyObject *self, PyObject *args)
 
 	Py_BEGIN_ALLOW_THREADS
 #if defined(PYCC_GCC)
-	spawnval = spawnve(mode, path, argvlist, envlist);
+	spawnval = spawnvpe(mode, path, argvlist, envlist);
 #else
-	spawnval = _spawnve(mode, path, argvlist, envlist);
+	spawnval = _spawnvpe(mode, path, argvlist, envlist);
 #endif
 	Py_END_ALLOW_THREADS
 
