From 04b85498b80fb4f54fecc9447cc3bff54b3a23e4 Mon Sep 17 00:00:00 2001
From: Jack Jansen <jack.jansen@cwi.nl>
Date: Thu, 14 Sep 2000 20:47:00 +0000
Subject: [PATCH] Fixes that should make it possible to run Python on machines
 without NavServices installed.

---
 Mac/Modules/Nav.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/Mac/Modules/Nav.c b/Mac/Modules/Nav.c
index d229458b9de6..d8ef6ef4483a 100644
--- a/Mac/Modules/Nav.c
+++ b/Mac/Modules/Nav.c
@@ -947,6 +947,11 @@ initNav()
 {
 	PyObject *m, *d;
 
+	/* Test that we have NavServices */
+	if ( !NavServicesAvailable() ) {
+		PyErr_SetString(PyExc_ImportError, "Navigation Services not available");
+		return;
+	}
 	/* Create the module and add the functions */
 	m = Py_InitModule4("Nav", nav_methods,
 		Nav_module_documentation,