Comment 2 for bug 927450

StacktraceTop:
 g_variant_unref (value=0x6e6f697461) at /build/buildd/glib2.0-2.31.14/./glib/gvariant-core.c:622
 dee_sequence_model_free_row (self=<optimized out>, iter=0x7f55c8015200) at dee-sequence-model.c:981
 dee_sequence_model_remove (self=0x1043190, iter_=0x7f55c8015200) at dee-sequence-model.c:482
 g_closure_invoke (closure=0x1042490, return_value=0x0, n_param_values=2, param_values=0x10aee00, invocation_hint=<optimized out>) at /build/buildd/glib2.0-2.31.14/./gobject/gclosure.c:774
 signal_emit_unlocked_R (node=<optimized out>, detail=0, instance=<optimized out>, emission_return=0x0, instance_and_params=0x10aee00) at /build/buildd/glib2.0-2.31.14/./gobject/gsignal.c:3302