diff -U0 pycups-1.9.61/ChangeLog.ppd-null pycups-1.9.61/ChangeLog
--- pycups-1.9.61/ChangeLog.ppd-null	2012-03-06 10:53:09.000000000 +0000
+++ pycups-1.9.61/ChangeLog	2012-04-10 12:22:16.224974764 +0100
@@ -0,0 +1,5 @@
+2012-03-22  Tim Waugh  <twaugh@redhat.com>
+
+	* cupsppd.c (PPD_dealloc): Add missing NULL check for
+	debugging message (Ubuntu #951001).  Patch from Till Kamppeter.
+
diff -up pycups-1.9.61/cupsppd.c.ppd-null pycups-1.9.61/cupsppd.c
--- pycups-1.9.61/cupsppd.c.ppd-null	2011-12-08 13:22:35.000000000 +0000
+++ pycups-1.9.61/cupsppd.c	2012-04-10 12:22:16.224974764 +0100
@@ -236,10 +236,12 @@ PPD_init (PPD *self, PyObject *args, PyO
 static void
 PPD_dealloc (PPD *self)
 {
-  debugprintf ("- PPD %p (fd %d)\n", self, fileno (self->file));
-
-  if (self->file)
+  if (self->file) {
+    debugprintf ("- PPD %p (fd %d)\n", self, fileno (self->file));
     fclose (self->file);
+  } else
+    debugprintf ("- PPD %p (no fd)\n", self);
+
   if (self->ppd)
     ppdClose (self->ppd);
   if (self->conv_from)