StacktraceTop: g_assertion_message (domain=<optimized out>, file=<optimized out>, line=<optimized out>, func=0x7f3d76eb0b20 "gtk_file_chooser_default_initial_focus", message=0x160a7d0 "assertion failed: (widget != NULL)") at /build/buildd/glib2.0-2.29.90/./glib/gtestutils.c:1425 g_assertion_message_expr (domain=0x7f3d76e9b17b "Gtk", file=0x7f3d76eb1c18 "/build/buildd/gtk+2.0-2.24.6/gtk/gtkfilechooserdefault.c", line=8750, func=0x7f3d76eb0b20 "gtk_file_chooser_default_initial_focus", expr=<optimized out>) at /build/buildd/glib2.0-2.29.90/./glib/gtestutils.c:1436 gtk_file_chooser_default_initial_focus (chooser_embed=<optimized out>) at /build/buildd/gtk+2.0-2.24.6/gtk/gtkfilechooserdefault.c:8750 gtk_file_chooser_dialog_map (widget=<optimized out>) at /build/buildd/gtk+2.0-2.24.6/gtk/gtkfilechooserdialog.c:359 g_closure_invoke (closure=0xbf4470, return_value=0x0, n_param_values=1, param_values=0x15290c0, invocation_hint=<optimized out>) at /build/buildd/glib2.0-2.29.90/./gobject/gclosure.c:774
StacktraceTop: message (domain=<optimized out>, file=<optimized out>, line=<optimized out>, func=0x7f3d76eb0b20 "gtk_file_ chooser_ default_ initial_ focus", message=0x160a7d0 "assertion failed: (widget != NULL)") at /build/ buildd/ glib2.0- 2.29.90/ ./glib/ gtestutils. c:1425 message_ expr (domain= 0x7f3d76e9b17b "Gtk", file=0x7f3d76eb1c18 "/build/ buildd/ gtk+2.0- 2.24.6/ gtk/gtkfilechoo serdefault. c", line=8750, func=0x7f3d76eb0b20 "gtk_file_ chooser_ default_ initial_ focus", expr=<optimized out>) at /build/ buildd/ glib2.0- 2.29.90/ ./glib/ gtestutils. c:1436 chooser_ default_ initial_ focus (chooser_ embed=< optimized out>) at /build/ buildd/ gtk+2.0- 2.24.6/ gtk/gtkfilechoo serdefault. c:8750 chooser_ dialog_ map (widget=<optimized out>) at /build/ buildd/ gtk+2.0- 2.24.6/ gtk/gtkfilechoo serdialog. c:359 0x15290c0, invocation_ hint=<optimized out>) at /build/ buildd/ glib2.0- 2.29.90/ ./gobject/ gclosure. c:774
g_assertion_
g_assertion_
gtk_file_
gtk_file_
g_closure_invoke (closure=0xbf4470, return_value=0x0, n_param_values=1, param_values=