Comment 2 for bug 858484

StacktraceTop:
 setup_context (registry=<synthetic pointer>, module=<synthetic pointer>, lineno=<synthetic pointer>, filename=<synthetic pointer>, stack_level=1) at ../Python/_warnings.c:449
 do_warn (message='Unable to locate theme engine in module_path: "pixmap",', category=<type at remote 0x2127e20>, stack_level=1) at ../Python/_warnings.c:594
 PyErr_WarnEx (category=<type at remote 0x2127e20>, text=<optimized out>, stack_level=1) at ../Python/_warnings.c:720
 _log_func (log_domain=<optimized out>, log_level=G_LOG_LEVEL_WARNING, message=0x230d820 "Unable to locate theme engine in module_path: \"pixmap\",", user_data=0x2127e20) at /build/buildd/pygobject-2-2.28.6/gobject/gobjectmodule.c:2353
 ?? ()