@@ -1458,6 +1458,7 @@ class DotWidget(gtk.DrawingArea):

             universal_newlines=True

         )

         xdotcode, error = p.communicate(dotcode)

+        sys.stderr.write(error)

         if p.returncode != 0:

             dialog = gtk.MessageDialog(type=gtk.MESSAGE_ERROR,

                                        message_format=error,