fix

Author: shentanyue

paddle/fluid/pybind/inference_api.cc

@@ -824,7 +824,8 @@ void BindAnalysisConfig(py::module *m) {
       .def("disable_glog_info", &AnalysisConfig::DisableGlogInfo)
       .def("glog_info_disabled", &AnalysisConfig::glog_info_disabled)
       .def("enable_save_optimized_model",
-           &AnalysisConfig::EnableSaveOptimizedModel)
+           &AnalysisConfig::EnableSaveOptimizedModel,
+           py::arg("x") = false)
       .def("set_optim_cache_dir", &AnalysisConfig::SetOptimCacheDir)
       .def("switch_use_feed_fetch_ops",
            &AnalysisConfig::SwitchUseFeedFetchOps,