Program received signal SIGSEGV, Segmentation fault.
type_check_is_value_type_U (value=<value optimized out>)
    at /build/buildd/glib2.0-2.28.6/./gobject/gtype.c:4100
4100    /build/buildd/glib2.0-2.28.6/./gobject/gtype.c: No such file or directory.
        in /build/buildd/glib2.0-2.28.6/./gobject/gtype.c
(gdb) bt
#0  type_check_is_value_type_U (value=<value optimized out>)
    at /build/buildd/glib2.0-2.28.6/./gobject/gtype.c:4100
#1  g_type_check_value (value=<value optimized out>) at /build/buildd/glib2.0-2.28.6/./gobject/gtype.c:4135
#2  0x00007ffff5e53781 in g_object_set_property (object=0xe74330, property_name=0x7ffff3bdb66f "active", 
    value=0x7fffffffbcc0) at /build/buildd/glib2.0-2.28.6/./gobject/gobject.c:1892
#3  0x00007ffff3918c4e in apply_cell_attributes (renderer=0xe74330, info=0xf004a0, data=0x7fffffffbd40)
    at /build/buildd/gtk+3.0-3.0.8/./gtk/gtkcellarea.c:1274
#4  0x00007ffff5368473 in g_hash_table_foreach (hash_table=0xf17800, 
    func=0x7ffff3918b80 <apply_cell_attributes>, user_data=0x7fffffffbd40)
    at /build/buildd/glib2.0-2.28.6/./glib/ghash.c:1330
#5  0x00007ffff3918b36 in gtk_cell_area_real_apply_attributes (area=<value optimized out>, tree_model=
    0xec3e20, iter=0xf80ba0, is_expander=<value optimized out>, is_expanded=<value optimized out>)
    at /build/buildd/gtk+3.0-3.0.8/./gtk/gtkcellarea.c:1310
#6  0x00007ffff391e599 in gtk_cell_area_box_apply_attributes (area=<value optimized out>, 
    tree_model=<value optimized out>, iter=<value optimized out>, is_expander=<value optimized out>, 
    is_expanded=<value optimized out>) at /build/buildd/gtk+3.0-3.0.8/./gtk/gtkcellareabox.c:1320
#7  0x00007ffff5e4c81c in g_closure_invoke (closure=0xf16380, return_value=0x0, n_param_values=5, 
    param_values=0xe86710, invocation_hint=0x7fffffffbee0)
    at /build/buildd/glib2.0-2.28.6/./gobject/gclosure.c:767
#8  0x00007ffff5e5d7e3 in signal_emit_unlocked_R (node=<value optimized out>, detail=0, instance=0xf17030, 
    emission_return=0x0, instance_and_params=0xe86710)
    at /build/buildd/glib2.0-2.28.6/./gobject/gsignal.c:3182
#9  0x00007ffff5e67258 in g_signal_emit_valist (instance=<value optimized out>, 
    signal_id=<value optimized out>, detail=<value optimized out>, var_args=<value optimized out>)
    at /build/buildd/glib2.0-2.28.6/./gobject/gsignal.c:2983
#10 0x00007ffff5e6741f in g_signal_emit (instance=<value optimized out>, signal_id=<value optimized out>, 
    detail=<value optimized out>) at /build/buildd/glib2.0-2.28.6/./gobject/gsignal.c:3040
#11 0x00007ffff391a9b4 in gtk_cell_area_apply_attributes (area=0xf17030, tree_model=0xec3e20, iter=
    0x7fffffffc320, is_expander=0, is_expanded=0) at /build/buildd/gtk+3.0-3.0.8/./gtk/gtkcellarea.c:2359
#12 0x00007ffff3ac8af9 in validate_row (tree_view=0xf0a120, tree=0xf09220, node=0xf00630, iter=
    0x7fffffffc320, path=<value optimized out>) at /build/buildd/gtk+3.0-3.0.8/./gtk/gtktreeview.c:6167
#13 0x00007ffff3ac962f in do_validate_rows (tree_view=0xf0a120, queue_resize=0)
    at /build/buildd/gtk+3.0-3.0.8/./gtk/gtktreeview.c:6731
#14 0x00007ffff3ac9b37 in gtk_tree_view_size_request (widget=0xf0a120, requisition=0x7fffffffc3e0, 
    may_validate=<value optimized out>) at /build/buildd/gtk+3.0-3.0.8/./gtk/gtktreeview.c:2453
#15 0x00007ffff3ac9bd1 in gtk_tree_view_get_preferred_width (widget=<value optimized out>, minimum=
    0x7fffffffc484, natural=0x7fffffffc480) at /build/buildd/gtk+3.0-3.0.8/./gtk/gtktreeview.c:2470
#16 0x00007ffff3a35cb3 in compute_size_for_orientation (widget=0xf0a120, 
    orientation=GTK_SIZE_GROUP_HORIZONTAL, for_size=-1, minimum_size=0x7fffffffc52c, natural_size=
    0x7fffffffc528) at /build/buildd/gtk+3.0-3.0.8/./gtk/gtksizerequest.c:215
#17 0x00007ffff3a27cfb in gtk_scrolled_window_get_preferred_size (widget=0xefb010, 
    orientation=GTK_ORIENTATION_HORIZONTAL, minimum_size=0x7fffffffc5e4, natural_size=0x7fffffffc5e0)
    at /build/buildd/gtk+3.0-3.0.8/./gtk/gtkscrolledwindow.c:2127
#18 0x00007ffff3a35cb3 in compute_size_for_orientation (widget=0xefb010, 
    orientation=GTK_SIZE_GROUP_HORIZONTAL, for_size=-1, minimum_size=0x7fffffffc65c, natural_size=
    0x7fffffffc658) at /build/buildd/gtk+3.0-3.0.8/./gtk/gtksizerequest.c:215
#19 0x00007ffff3906ed3 in gtk_box_get_size (widget=<value optimized out>, 
    orientation=GTK_ORIENTATION_HORIZONTAL, minimum_size=0x7fffffffc714, natural_size=0x7fffffffc710)
    at /build/buildd/gtk+3.0-3.0.8/./gtk/gtkbox.c:911
#20 0x00007ffff3a35cb3 in compute_size_for_orientation (widget=0xef40c0, 
    orientation=GTK_SIZE_GROUP_HORIZONTAL, for_size=-1, minimum_size=0x7fffffffc76c, natural_size=
    0x7fffffffc768) at /build/buildd/gtk+3.0-3.0.8/./gtk/gtksizerequest.c:215
#21 0x00007ffff3b0210a in gtk_window_get_preferred_width (widget=0xe820c0, minimum_size=0x7fffffffc814, 
    natural_size=0x7fffffffc810) at /build/buildd/gtk+3.0-3.0.8/./gtk/gtkwindow.c:6120
#22 0x00007ffff3a35cb3 in compute_size_for_orientation (widget=0xe820c0, 
    orientation=GTK_SIZE_GROUP_HORIZONTAL, for_size=-1, minimum_size=0x7fffffffc86c, natural_size=
    0x7fffffffc868) at /build/buildd/gtk+3.0-3.0.8/./gtk/gtksizerequest.c:215
#23 0x00007ffff3a35dae in gtk_widget_get_preferred_size (widget=0xe820c0, minimum_size=0x7fffffffc930, 
    natural_size=0x0) at /build/buildd/gtk+3.0-3.0.8/./gtk/gtksizerequest.c:527
#24 0x00007ffff3b00748 in gtk_window_compute_hints (window=0xe820c0, request=0x7fffffffc9e0, geometry=
    0x7fffffffc9a0, flags=0x7fffffffca0c) at /build/buildd/gtk+3.0-3.0.8/./gtk/gtkwindow.c:7137
#25 gtk_window_compute_configure_request (window=0xe820c0, request=0x7fffffffc9e0, geometry=0x7fffffffc9a0, 
    flags=0x7fffffffca0c) at /build/buildd/gtk+3.0-3.0.8/./gtk/gtkwindow.c:6459
#26 0x00007ffff3b03ec7 in gtk_window_show (widget=0xe820c0)
    at /build/buildd/gtk+3.0-3.0.8/./gtk/gtkwindow.c:4604
#27 0x00007ffff5e4c81c in g_closure_invoke (closure=0xcc9e80, return_value=0x0, n_param_values=1, 
    param_values=0xf330c0, invocation_hint=0x7fffffffcb80)
    at /build/buildd/glib2.0-2.28.6/./gobject/gclosure.c:767
#28 0x00007ffff5e5d7e3 in signal_emit_unlocked_R (node=<value optimized out>, detail=0, instance=0xe820c0, 
    emission_return=0x0, instance_and_params=0xf330c0)
    at /build/buildd/glib2.0-2.28.6/./gobject/gsignal.c:3182
#29 0x00007ffff5e67258 in g_signal_emit_valist (instance=<value optimized out>, 
    signal_id=<value optimized out>, detail=<value optimized out>, var_args=<value optimized out>)
    at /build/buildd/glib2.0-2.28.6/./gobject/gsignal.c:2983
#30 0x00007ffff5e6741f in g_signal_emit (instance=<value optimized out>, signal_id=<value optimized out>, 
    detail=<value optimized out>) at /build/buildd/glib2.0-2.28.6/./gobject/gsignal.c:3040
#31 0x00007ffff3af8f33 in gtk_widget_show (widget=0xe820c0)
    at /build/buildd/gtk+3.0-3.0.8/./gtk/gtkwidget.c:3910
#32 0x00007ffff5a37aa0 in ffi_call_unix64 () from /usr/lib/libffi.so.5
#33 0x00007ffff5a37483 in ffi_call () from /usr/lib/libffi.so.5
#34 0x00007ffff60981d8 in ?? () from /usr/lib/libgirepository-1.0.so.1
#35 0x00007ffff609940e in g_function_info_invoke () from /usr/lib/libgirepository-1.0.so.1
#36 0x00007ffff62cac15 in _invoke_function (self=0xc4a790, py_args=(<Window at remote 0xc370a0>,), 
    kwargs=<value optimized out>) at /build/buildd/pygobject-2.28.3/gi/pygi-invoke.c:613
#37 _wrap_g_callable_info_invoke (self=0xc4a790, py_args=(<Window at remote 0xc370a0>,), 
    kwargs=<value optimized out>) at /build/buildd/pygobject-2.28.3/gi/pygi-invoke.c:1015
#38 0x000000000049a54e in ext_do_call (f=<value optimized out>, throwflag=<value optimized out>)
    at ../Python/ceval.c:4323
#39 PyEval_EvalFrameEx (f=<value optimized out>, throwflag=<value optimized out>) at ../Python/ceval.c:2705
#40 0x000000000049d885 in PyEval_EvalCodeEx (co=0xbdb930, globals=<value optimized out>, 
    locals=<value optimized out>, args=<value optimized out>, argcount=<value optimized out>, 
    kws=<value optimized out>, kwcount=0, defs=0x0, defcount=0, closure=(<cell at remote 0xc70398>,))
    at ../Python/ceval.c:3253
#41 0x0000000000496a92 in fast_function (f=<value optimized out>, throwflag=<value optimized out>)
    at ../Python/ceval.c:4109
#42 call_function (f=<value optimized out>, throwflag=<value optimized out>) at ../Python/ceval.c:4034
#43 PyEval_EvalFrameEx (f=<value optimized out>, throwflag=<value optimized out>) at ../Python/ceval.c:2666
#44 0x000000000049d325 in PyEval_EvalCodeEx (co=0xa24730, globals=<value optimized out>, 
    locals=<value optimized out>, args=<value optimized out>, argcount=<value optimized out>, 
    kws=<value optimized out>, kwcount=0, defs=0x0, defcount=0, closure=0x0) at ../Python/ceval.c:3253
#45 0x00000000004c4526 in function_call (func=<function at remote 0xe010c8>, arg=
    (<ListStoreApp(window=<Window at remote 0xc370a0>, model=<FlatBaseModel(map=<function at remote 0xe018c0>, prev_data=<Bug(description='scrollable notebooks and hidden tabs', is_fixed=False, number=60482, severity='Normal') at remote 0xc26878>, prev_handle=60482, node_map=<FlatNodeMap(_identical=True, _reverse=False, _fullhndl=[('gdk_window_clear_area (gdkwindow-win32.c) is not thread-safe', 60620), ('scrollable notebooks and hidden tabs', 60482)], _index2hndl=[...], _hndl2index={60482: 1, 60620: 0}, _FlatNodeMap__corr=(0, 1)) at remote 0xdfdcd0>, _in_build=False, rebuild_data=<instancemethod at remote 0xb3f640>) at remote 0xe02190>) at remote 0xda71b8>,), kw=0x0) at ../Objects/funcobject.c:526
#46 0x000000000045d864 in PyObject_Call (func=<function at remote 0xe010c8>, arg=<value optimized out>, 
    kw=<value optimized out>) at ../Objects/abstract.c:2529
#47 0x000000000045f43f in instancemethod_call (func=<function at remote 0xe010c8>, arg=
    (<ListStoreApp(window=<Window at remote 0xc370a0>, model=<FlatBaseModel(map=<function at remote 0xe018c0>, prev_data=<Bug(description='scrollable notebooks and hidden tabs', is_fixed=False, number=60482, severity='Normal') at remote 0xc26878>, prev_handle=60482, node_map=<FlatNodeMap(_identical=True, _reverse=False, _fullhndl=[('gdk_window_clear_area (gdkwindow-win32.c) is not thread-safe', 60620), ('scrollable notebooks and hidden tabs', 60482)], _index2hndl=[...], _hndl2index={60482: 1, 60620: 0}, _FlatNodeMap__corr=(0, 1)) at remote 0xdfdcd0>, _in_build=False, rebuild_data=<instancemethod at remote 0xb3f640>) at remote 0xe02190>) at remote 0xda71b8>,), kw=0x0) at ../Objects/classobject.c:2578
#48 0x000000000045d864 in PyObject_Call (func=<instancemethod at remote 0x9abd20>, arg=<value optimized out>, 
    kw=<value optimized out>) at ../Objects/abstract.c:2529
#49 0x0000000000495d46 in PyEval_CallObjectWithKeywords (func=<instancemethod at remote 0x9abd20>, arg=(), 
    kw=<value optimized out>) at ../Python/ceval.c:3882
#50 0x0000000000460618 in PyInstance_New (klass=<value optimized out>, arg=(), kw=0x0)
    at ../Objects/classobject.c:571
#51 0x000000000045d864 in PyObject_Call (func=<classobj at remote 0xc136d0>, arg=<value optimized out>, 
    kw=<value optimized out>) at ../Objects/abstract.c:2529
#52 0x0000000000496c4e in do_call (f=<value optimized out>, throwflag=<value optimized out>)
    at ../Python/ceval.c:4231
#53 call_function (f=<value optimized out>, throwflag=<value optimized out>) at ../Python/ceval.c:4036
#54 PyEval_EvalFrameEx (f=<value optimized out>, throwflag=<value optimized out>) at ../Python/ceval.c:2666
#55 0x000000000049d325 in PyEval_EvalCodeEx (co=0xa24ab0, globals=<value optimized out>, 
    locals=<value optimized out>, args=<value optimized out>, argcount=<value optimized out>, 
    kws=<value optimized out>, kwcount=0, defs=0xba5ae8, defcount=1, closure=0x0) at ../Python/ceval.c:3253
#56 0x0000000000496a92 in fast_function (f=<value optimized out>, throwflag=<value optimized out>)
    at ../Python/ceval.c:4109
#57 call_function (f=<value optimized out>, throwflag=<value optimized out>) at ../Python/ceval.c:4034
#58 PyEval_EvalFrameEx (f=<value optimized out>, throwflag=<value optimized out>) at ../Python/ceval.c:2666
#59 0x000000000049d325 in PyEval_EvalCodeEx (co=0xa24b30, globals=<value optimized out>, 
    locals=<value optimized out>, args=<value optimized out>, argcount=<value optimized out>, 
    kws=<value optimized out>, kwcount=0, defs=0x0, defcount=0, closure=0x0) at ../Python/ceval.c:3253
#60 0x00000000004ecb02 in PyEval_EvalCode (co=<value optimized out>, globals=<value optimized out>, 
    locals=<value optimized out>) at ../Python/ceval.c:667
#61 0x00000000004fdc74 in run_mod (mod=<value optimized out>, filename=<value optimized out>, globals=
    {'Gtk': <DynamicModule(_overrides_module=<module at remote 0xc398d8>, _namespace='Gtk', _introspection_module=<IntrospectionModule(Box=<GObjectMeta(__module__='gi.repository.Gtk', reorder_child=<function at remote 0xe015f0>, container=<property at remote 0xda8368>, get_spacing=<function at remote 0xe01398>, get_homogeneous=<function at remote 0xe01410>, set_child_packing=<function at remote 0xe01668>, pack_start=<function at remote 0xe01500>, set_homogeneous=<function at remote 0xe016e0>, query_child_packing=<function at remote 0xe01578>, new=<classmethod at remote 0xdfe8a0>, set_spacing=<function at remote 0xe01758>, __gtype__=<gobject.GType at remote 0x8e8990>, priv=<property at remote 0xda83c0>, __info__=<ObjectInfo at remote 0xc28b10>, __doc__=None, pack_end=<function at remote 0xe01488>) at remote 0xee0440>, _namespace='Gtk', Misc=<GObjectMeta(__module__='gi.repository.Gtk', priv=<property at remote 0xd8a730>, widget=<property at remote 0xd8a6d8>, __doc__=None, set_padding=<function at remote 0xd93cf8>, ...(truncated), locals=
    {'Gtk': <DynamicModule(_overrides_module=<module at remote 0xc398d8>, _namespace='Gtk', _introspection_module=<IntrospectionModule(Box=<GObjectMeta(__module__='gi.repository.Gtk', reorder_child=<function at remote 0xe015f0>, container=<property at remote 0xda8368>, get_spacing=<function at remote 0xe01398>, get_homogeneous=<function at remote 0xe01410>, set_child_packing=<function at remote 0xe01668>, pack_start=<function at remote 0xe01500>, set_homogeneous=<function at remote 0xe016e0>, query_child_packing=<function at remote 0xe01578>, new=<classmethod at remote 0xdfe8a0>, set_spacing=<function at remote 0xe01758>, __gtype__=<gobject.GType at remote 0x8e8990>, priv=<property at remote 0xda83c0>, __info__=<ObjectInfo at remote 0xc28b10>, __doc__=None, pack_end=<function at remote 0xe01488>) at remote 0xee0440>, _namespace='Gtk', Misc=<GObjectMeta(__module__='gi.repository.Gtk', priv=<property at remote 0xd8a730>, widget=<property at remote 0xd8a6d8>, __doc__=None, set_padding=<function at remote 0xd93cf8>, ...(truncated), flags=<value optimized out>, arena=<value optimized out>)
    at ../Python/pythonrun.c:1346
#62 0x000000000042c182 in PyRun_FileExFlags (fp=0xa61260, filename=0x7fffffffe549 "treeviewgramps.py", 
    start=<value optimized out>, globals=
    {'Gtk': <DynamicModule(_overrides_module=<module at remote 0xc398d8>, _namespace='Gtk', _introspection_module=<IntrospectionModule(Box=<GObjectMeta(__module__='gi.repository.Gtk', reorder_child=<function at remote 0xe015f0>, container=<property at remote 0xda8368>, get_spacing=<function at remote 0xe01398>, get_homogeneous=<function at remote 0xe01410>, set_child_packing=<function at remote 0xe01668>, pack_start=<function at remote 0xe01500>, set_homogeneous=<function at remote 0xe016e0>, query_child_packing=<function at remote 0xe01578>, new=<classmethod at remote 0xdfe8a0>, set_spacing=<function at remote 0xe01758>, __gtype__=<gobject.GType at remote 0x8e8990>, priv=<property at remote 0xda83c0>, __info__=<ObjectInfo at remote 0xc28b10>, __doc__=None, pack_end=<function at remote 0xe01488>) at remote 0xee0440>, _namespace='Gtk', Misc=<GObjectMeta(__module__='gi.repository.Gtk', priv=<property at remote 0xd8a730>, widget=<property at remote 0xd8a6d8>, __doc__=None, set_padding=<function at remote 0xd93cf8>, ...(truncated), locals=
    {'Gtk': <DynamicModule(_overrides_module=<module at remote 0xc398d8>, _namespace='Gtk', _introspection_module=<IntrospectionModule(Box=<GObjectMeta(__module__='gi.repository.Gtk', reorder_child=<function at remote 0xe015f0>, container=<property at remote 0xda8368>, get_spacing=<function at remote 0xe01398>, get_homogeneous=<function at remote 0xe01410>, set_child_packing=<function at remote 0xe01668>, pack_start=<function at remote 0xe01500>, set_homogeneous=<function at remote 0xe016e0>, query_child_packing=<function at remote 0xe01578>, new=<classmethod at remote 0xdfe8a0>, set_spacing=<function at remote 0xe01758>, __gtype__=<gobject.GType at remote 0x8e8990>, priv=<property at remote 0xda83c0>, __info__=<ObjectInfo at remote 0xc28b10>, __doc__=None, pack_end=<function at remote 0xe01488>) at remote 0xee0440>, _namespace='Gtk', Misc=<GObjectMeta(__module__='gi.repository.Gtk', priv=<property at remote 0xd8a730>, widget=<property at remote 0xd8a6d8>, __doc__=None, set_padding=<function at remote 0xd93cf8>, ...(truncated), closeit=1, flags=0x7fffffffe140) at ../Python/pythonrun.c:1332
#63 0x000000000042cb4a in PyRun_SimpleFileExFlags (fp=0xa61260, filename=<value optimized out>, closeit=1, 
    flags=0x7fffffffe140) at ../Python/pythonrun.c:936
#64 0x0000000000418c9e in Py_Main (argc=<value optimized out>, argv=0x7fffffffe268) at ../Modules/main.c:599
#65 0x00007ffff69c2eff in __libc_start_main () from /lib/x86_64-linux-gnu/libc.so.6
#66 0x00000000004c62b1 in _start ()