fix get_format return policy

artemp · artemp · commit 1489d537fb44 · 2015-09-09T15:21:20.000+02:00
diff --git a/src/mapnik_logger.cpp b/src/mapnik_logger.cpp
@@ -67,7 +67,7 @@ void export_logger()
         .def("get_object_severity", &logger::get_object_severity)
         .def("set_object_severity", &logger::set_object_severity)
         .def("clear_object_severity", &logger::clear_object_severity)
-        .def("get_format", &logger::get_format)
+        .def("get_format", &logger::get_format,return_value_policy<reference_existing_object>())
         .def("set_format", &logger::set_format)
         .def("str", &logger::str)
         .def("use_file", &logger::use_file)
