(gdb) bt
#0 0x080ffeff in PyFrame_New (tstate=0x0, code=0xb7d20d60, globals=0xb7d76824, locals=0x0) at ../Objects/frameobject.c:540
#1 0x080b9f99 in PyEval_EvalCodeEx (co=0xb7d20d60, globals=0xb7d76824, locals=0xb7d20d60, args=0xb7d35778, argcount=2, kws=0x0, kwcount=0, defs=0x0,
defcount=0, closure=0x0) at ../Python/ceval.c:2533
#2 0x08100b99 in function_call (func=0xb7d25d14, arg=0xb7d3576c, kw=0x0) at ../Objects/funcobject.c:548
#3 0x080589d7 in PyObject_Call (func=0x0, arg=0xb7d3576c, kw=0x0) at ../Objects/abstract.c:1795
#4 0x0805e28e in instancemethod_call (func=0xb7d45cac, arg=0xb7d3576c, kw=0x0) at ../Objects/classobject.c:2532
#5 0x0805abc1 in PyObject_CallMethod (o=0xb7d45f54, name=0x8294e10 "new_close", format=0xb7f3e4d4 "O") at ../Objects/abstract.c:1795
#6 0xb7f38e58 in pygnt_binding_callback (bindable=0x829b828, list=0x829a960) at gnt.override:176
#7 0xb79ac796 in gnt_bindable_perform_action_key (bindable=0x829b828, keys=0x8160930 "c") at gntbindable.c:335
#8 0xb79aaecc in gnt_widget_key_pressed (widget=0x829b828, keys=0x8160930 "c") at gntwidget.c:396
#9 0xb79c7974 in gnt_wm_process_input (wm=0x828d820, keys=0x8160930 "c") at gntwm.c:1887
#10 0xb79c8fff in io_invoke (source=0x81a3b48, cond=G_IO_IN, null=0x0) at gntmain.c:288
#11 0xb7a4d13d in g_io_channel_unix_get_fd () from /usr/lib/libglib-2.0.so.0
#12 0xb7a1dd6c in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#13 0xb7a2119f in g_main_context_check () from /usr/lib/libglib-2.0.so.0
#14 0xb7a21549 in g_main_loop_run () from /usr/lib/libglib-2.0.so.0
#15 0xb79c97e5 in gnt_main () at gntmain.c:515
#16 0xb7f39543 in _wrap_gnt_main (self=0x0) at gnt.override:292
#17 0x080b912e in PyEval_EvalFrame (f=0x8183554) at ../Python/ceval.c:3552
#18 0x080ba765 in PyEval_EvalCodeEx (co=0xb7d20e20, globals=0xb7d76824, locals=0x0, args=0xb7d3b6b8, argcount=1, kws=0x0, kwcount=0, defs=0x0, defcount=0,
closure=0x0) at ../Python/ceval.c:2741
#19 0x08100b99 in function_call (func=0xb7d47e64, arg=0xb7d3b6ac, kw=0x0) at ../Objects/funcobject.c:548
#20 0x080589d7 in PyObject_Call (func=0x0, arg=0xb7d3b6ac, kw=0x0) at ../Objects/abstract.c:1795
#21 0x0805e28e in instancemethod_call (func=0xb7d73b6c, arg=0xb7d3b6ac, kw=0x0) at ../Objects/classobject.c:2532
#22 0x080589d7 in PyObject_Call (func=0x0, arg=0xb7d5d02c, kw=0x0) at ../Objects/abstract.c:1795
#23 0x080b3d2d in PyEval_CallObjectWithKeywords (func=0xb7d73b6c, arg=0xb7d5d02c, kw=0x0) at ../Python/ceval.c:3435
#24 0x08061969 in PyInstance_New (klass=0xb7d3dcbc, arg=0xb7d5d02c, kw=0x0) at ../Objects/classobject.c:588
#25 0x080589d7 in PyObject_Call (func=0x0, arg=0xb7d5d02c, kw=0x0) at ../Objects/abstract.c:1795
#26 0x080b68d7 in PyEval_EvalFrame (f=0x8153d44) at ../Python/ceval.c:3776
#27 0x080ba765 in PyEval_EvalCodeEx (co=0xb7d20f60, globals=0xb7d76824, locals=0xb7d76824, args=0x0, argcount=0, kws=0x0, kwcount=0, defs=0x0, defcount=0,
closure=0x0) at ../Python/ceval.c:2741
#28 0x080ba7c9 in PyEval_EvalCode (co=0xb7d20f60, globals=0xb7d76824, locals=0xb7d76824) at ../Python/ceval.c:484
#29 0x080dd167 in PyRun_FileExFlags (fp=0x8146008, filename=0xbfc5f5af "/tmp/gp.py", start=257, globals=0xb7d76824, locals=0xb7d76824, closeit=1,
flags=0xbfc5e804) at ../Python/pythonrun.c:1285
#30 0x080dd364 in PyRun_SimpleFileExFlags (fp=0x8146008, filename=0xbfc5f5af "/tmp/gp.py", closeit=1, flags=0xbfc5e804) at ../Python/pythonrun.c:869
#31 0x08055ba8 in Py_Main (argc=1, argv=0xbfc5e8d4) at ../Modules/main.c:493
#32 0x08055032 in main (argc=Cannot access memory at address 0x0
) at ../Modules/python.c:23