- Patch #162463 by kbahey: fixed notice.

modules/path/path.module

@@ -162,7 +162,7 @@ function path_nodeapi(&$node, $op, $arg) {
       case 'insert':
         // Don't try to insert if path is NULL. We may have already set
         // the alias ahead of time.
-        if ($node->path) {
+        if (isset($node->path)) {
           path_set_alias("node/$node->nid", $node->path);
         }
         break;