(gdb) print _PyObject_Dump(args)
object  : (<gst.Bus object (bus2) at 0xb7b697fc>, <gst.Message GstMessageState, old-state=(GstState)GST_STATE_NULL, new-state=(GstState)GST_STATE_READY, pending-state=(GstState)GST_STATE_VOID_PENDING from queue0 at 0x8254620>)
type    : tuple
refcount: 2
address : 0xb7b5886c
$4 = 50