==19821== Invalid read of size 8
==19821==    at 0x8950F11: _gtk_cell_accessible_state_changed (gtkcellaccessible.c:419)
==19821==    by 0x896DFFC: _gtk_tree_view_accessible_add_state (gtktreeviewaccessible.c:1963)
==19821==    by 0x88D14DB: gtk_tree_selection_real_select_node (gtktreeselection.c:1631)
==19821==    by 0x88D1D90: _gtk_tree_selection_internal_select_node (gtktreeselection.c:1537)
==19821==    by 0x88E7673: gtk_tree_view_real_set_cursor (gtktreeview.c:13191)
==19821==    by 0x88E9832: gtk_tree_view_row_deleted (gtktreeview.c:9196)
==19821==    by 0x6A0D017: g_closure_invoke (gclosure.c:768)
==19821==    by 0x6A1F42C: signal_emit_unlocked_R (gsignal.c:3551)
==19821==    by 0x6A27448: g_signal_emit_valist (gsignal.c:3307)
==19821==    by 0x6A27701: g_signal_emit (gsignal.c:3363)
==19821==    by 0x88D6303: gtk_tree_store_remove (gtktreestore.c:1226)
==19821==    by 0x88D6498: gtk_tree_store_clear_traverse (gtktreestore.c:1851)
==19821==    by 0x88D646E: gtk_tree_store_clear_traverse (gtktreestore.c:1834)
==19821==    by 0x88D646E: gtk_tree_store_clear_traverse (gtktreestore.c:1834)
==19821==    by 0x88D78D7: gtk_tree_store_clear (gtktreestore.c:1879)
==19821==    by 0x7506ADB: ffi_call_unix64 (in /usr/lib/x86_64-linux-gnu/libffi.so.6.0.1)
==19821==    by 0x750640B: ffi_call (in /usr/lib/x86_64-linux-gnu/libffi.so.6.0.1)
==19821==    by 0x65A9981: ??? (in /usr/lib/python2.7/dist-packages/gi/_gi.so)
==19821==    by 0x659F82D: ??? (in /usr/lib/python2.7/dist-packages/gi/_gi.so)
==19821==    by 0x563BDD: PyEval_EvalFrameEx (in /usr/bin/python2.7)
==19821==    by 0x56C309: ??? (in /usr/bin/python2.7)
==19821==    by 0x4B25F3: ??? (in /usr/bin/python2.7)
==19821==    by 0x4B5038: PyObject_CallObject (in /usr/bin/python2.7)
==19821==    by 0x65A8ED7: ??? (in /usr/lib/python2.7/dist-packages/gi/_gi.so)
==19821==    by 0x6A0D017: g_closure_invoke (gclosure.c:768)
==19821==    by 0x6A1F42C: signal_emit_unlocked_R (gsignal.c:3551)
==19821==    by 0x6A27448: g_signal_emit_valist (gsignal.c:3307)
==19821==    by 0x6A27701: g_signal_emit (gsignal.c:3363)
==19821==    by 0x86D579C: gtk_button_do_release (gtkbutton.c:1987)
==19821==    by 0x86D57F5: gtk_real_button_released (gtkbutton.c:2105)
==19821==    by 0x6A0D246: _g_closure_invoke_va (gclosure.c:831)
==19821==    by 0x6A26AA7: g_signal_emit_valist (gsignal.c:3215)
==19821==    by 0x6A27701: g_signal_emit (gsignal.c:3363)
==19821==    by 0x86D3B8C: gtk_button_button_release (gtkbutton.c:1942)
==19821==    by 0x87BC01D: _gtk_marshal_BOOLEAN__BOXEDv (gtkmarshalers.c:130)
==19821==    by 0x6A0D246: _g_closure_invoke_va (gclosure.c:831)
==19821==    by 0x6A26AA7: g_signal_emit_valist (gsignal.c:3215)
==19821==    by 0x6A27701: g_signal_emit (gsignal.c:3363)
==19821==    by 0x8900363: gtk_widget_event_internal (gtkwidget.c:7222)
==19821==    by 0x87B993B: propagate_event (gtkmain.c:2406)
==19821==    by 0x87BB414: gtk_main_do_event (gtkmain.c:1735)
==19821==    by 0x8DB5911: gdk_event_source_dispatch (gdkeventsource.c:364)
==19821==    by 0x6C96DB3: g_main_context_dispatch (gmain.c:3064)
==19821==    by 0x6C96FF7: g_main_context_iterate.isra.24 (gmain.c:3734)
==19821==    by 0x6C972B9: g_main_loop_run (gmain.c:3928)
==19821==    by 0x87BA744: gtk_main (gtkmain.c:1192)
==19821==    by 0x7506ADB: ffi_call_unix64 (in /usr/lib/x86_64-linux-gnu/libffi.so.6.0.1)
==19821==    by 0x750640B: ffi_call (in /usr/lib/x86_64-linux-gnu/libffi.so.6.0.1)
==19821==    by 0x65A9981: ??? (in /usr/lib/python2.7/dist-packages/gi/_gi.so)
==19821==    by 0x563BDD: PyEval_EvalFrameEx (in /usr/bin/python2.7)
==19821==  Address 0x10183d50 is 96 bytes inside a block of size 208 free'd
==19821==    at 0x4C2B68C: free (in /usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so)
==19821==    by 0x6A2EB79: g_type_free_instance (gtype.c:1932)
==19821==    by 0x8950CC9: gtk_cell_accessible_object_finalize (gtkcellaccessible.c:82)
==19821==    by 0x6A11A59: g_object_unref (gobject.c:3112)
==19821==    by 0x896BAAE: cell_info_free (gtktreeviewaccessible.c:108)
==19821==    by 0x6C85AFB: iter_remove_or_steal (ghash.c:790)
==19821==    by 0x896DAAD: _gtk_tree_view_accessible_remove (gtktreeviewaccessible.c:1646)
==19821==    by 0x88E9789: gtk_tree_view_row_deleted (gtktreeview.c:9172)
==19821==    by 0x6A0D017: g_closure_invoke (gclosure.c:768)
==19821==    by 0x6A1F42C: signal_emit_unlocked_R (gsignal.c:3551)
==19821==    by 0x6A27448: g_signal_emit_valist (gsignal.c:3307)
==19821==    by 0x6A27701: g_signal_emit (gsignal.c:3363)
==19821==    by 0x88D6303: gtk_tree_store_remove (gtktreestore.c:1226)
==19821==    by 0x88D6498: gtk_tree_store_clear_traverse (gtktreestore.c:1851)
==19821==    by 0x88D646E: gtk_tree_store_clear_traverse (gtktreestore.c:1834)
==19821==    by 0x88D646E: gtk_tree_store_clear_traverse (gtktreestore.c:1834)
==19821==    by 0x88D78D7: gtk_tree_store_clear (gtktreestore.c:1879)
==19821==    by 0x7506ADB: ffi_call_unix64 (in /usr/lib/x86_64-linux-gnu/libffi.so.6.0.1)
==19821==    by 0x750640B: ffi_call (in /usr/lib/x86_64-linux-gnu/libffi.so.6.0.1)
==19821==    by 0x65A9981: ??? (in /usr/lib/python2.7/dist-packages/gi/_gi.so)
==19821==    by 0x659F82D: ??? (in /usr/lib/python2.7/dist-packages/gi/_gi.so)
==19821==    by 0x563BDD: PyEval_EvalFrameEx (in /usr/bin/python2.7)
==19821==    by 0x56C309: ??? (in /usr/bin/python2.7)
==19821==    by 0x4B25F3: ??? (in /usr/bin/python2.7)
==19821==    by 0x4B5038: PyObject_CallObject (in /usr/bin/python2.7)
==19821==    by 0x65A8ED7: ??? (in /usr/lib/python2.7/dist-packages/gi/_gi.so)
==19821==    by 0x6A0D017: g_closure_invoke (gclosure.c:768)
==19821==    by 0x6A1F42C: signal_emit_unlocked_R (gsignal.c:3551)
==19821==    by 0x6A27448: g_signal_emit_valist (gsignal.c:3307)
==19821==    by 0x6A27701: g_signal_emit (gsignal.c:3363)
==19821==    by 0x86D579C: gtk_button_do_release (gtkbutton.c:1987)
==19821==    by 0x86D57F5: gtk_real_button_released (gtkbutton.c:2105)
==19821==    by 0x6A0D246: _g_closure_invoke_va (gclosure.c:831)
==19821==    by 0x6A26AA7: g_signal_emit_valist (gsignal.c:3215)
==19821==    by 0x6A27701: g_signal_emit (gsignal.c:3363)
==19821==    by 0x86D3B8C: gtk_button_button_release (gtkbutton.c:1942)
==19821==    by 0x87BC01D: _gtk_marshal_BOOLEAN__BOXEDv (gtkmarshalers.c:130)
==19821==    by 0x6A0D246: _g_closure_invoke_va (gclosure.c:831)
==19821==    by 0x6A26AA7: g_signal_emit_valist (gsignal.c:3215)
==19821==    by 0x6A27701: g_signal_emit (gsignal.c:3363)
==19821==    by 0x8900363: gtk_widget_event_internal (gtkwidget.c:7222)
==19821==    by 0x87B993B: propagate_event (gtkmain.c:2406)
==19821==    by 0x87BB414: gtk_main_do_event (gtkmain.c:1735)
==19821==    by 0x8DB5911: gdk_event_source_dispatch (gdkeventsource.c:364)
==19821==    by 0x6C96DB3: g_main_context_dispatch (gmain.c:3064)
==19821==    by 0x6C96FF7: g_main_context_iterate.isra.24 (gmain.c:3734)
==19821==    by 0x6C972B9: g_main_loop_run (gmain.c:3928)
==19821==    by 0x87BA744: gtk_main (gtkmain.c:1192)
==19821==    by 0x7506ADB: ffi_call_unix64 (in /usr/lib/x86_64-linux-gnu/libffi.so.6.0.1)
==19821==    by 0x750640B: ffi_call (in /usr/lib/x86_64-linux-gnu/libffi.so.6.0.1)
