From 3a1b23c391216453baddba2667193be5f7253d9e Mon Sep 17 00:00:00 2001
From: David Rose <david@ddrose.com>
Date: Wed, 21 Mar 2001 04:08:01 +0000
Subject: [PATCH] *** empty log message ***

---
 panda/src/sgmanip/nodePath.cxx | 1 +
 1 file changed, 1 insertion(+)

diff --git a/panda/src/sgmanip/nodePath.cxx b/panda/src/sgmanip/nodePath.cxx
index e33a3b9b26..98f052851c 100644
--- a/panda/src/sgmanip/nodePath.cxx
+++ b/panda/src/sgmanip/nodePath.cxx
@@ -2566,6 +2566,7 @@ r_get_net_transitions(const ArcComponent *comp,
 ////////////////////////////////////////////////////////////////////
 string NodePath::
 format_node_name(Node *dnode) const {
+  nassertr(dnode != (Node *)NULL, string());
   if (dnode == (Node *)NULL) {
     return "(NULL)";
   }