Check return result from Py_InitModule*().  This API can fail.

Probably should be backported.
diff --git a/Modules/ossaudiodev.c b/Modules/ossaudiodev.c
index af3002d..4c22b07 100644
--- a/Modules/ossaudiodev.c
+++ b/Modules/ossaudiodev.c
@@ -963,6 +963,8 @@
     PyObject *m;
 
     m = Py_InitModule("ossaudiodev", ossaudiodev_methods);
+    if (m == NULL)
+	return;
 
     OSSAudioError = PyErr_NewException("ossaudiodev.OSSAudioError",
 				       NULL, NULL);