g_assertion_message (domain=domain@entry=0x0, file=file@entry=0x7f13301c4cc8 "../../gi/pygi-argument.c", line=line@entry=1583, func=func@entry=0x7f13301c4b80 <__FUNCTION__.22686> "_pygi_argument_to_object", message=message@entry=0x1e984b0 "code should not be reached") at /build/buildd/glib2.0-2.40.0/./glib/gtestutils.c:2291
g_assertion_message_expr (domain=domain@entry=0x0, file=file@entry=0x7f13301c4cc8 "../../gi/pygi-argument.c", line=line@entry=1583, func=func@entry=0x7f13301c4b80 <__FUNCTION__.22686> "_pygi_argument_to_object", expr=expr@entry=0x0) at /build/buildd/glib2.0-2.40.0/./glib/gtestutils.c:2306
_pygi_argument_to_object (arg=0x7fff0838b270, type_info=type_info@entry=0x7fff0838b2d0, transfer=transfer@entry=GI_TRANSFER_NOTHING) at ../../gi/pygi-argument.c:1583
pygi_signal_closure_marshal (closure=0x1f28af0, return_value=0x0, n_param_values=4, param_values=0x7fff0838b4f0, invocation_hint=<optimized out>, marshal_data=<optimized out>) at ../../gi/pygi-signal-closure.c:129
g_closure_invoke (closure=0x1f28af0, return_value=0x0, n_param_values=4, param_values=0x7fff0838b4f0, invocation_hint=0x7fff0838b490) at /build/buildd/glib2.0-2.40.0/./gobject/gclosure.c:768