diff --git a/scripts/Python/python-wrapper.swig b/scripts/Python/python-wrapper.swig
index ea8fb29..113447e 100644
--- a/scripts/Python/python-wrapper.swig
+++ b/scripts/Python/python-wrapper.swig
@@ -981,6 +981,7 @@
         SWIG_PYTHON_THREAD_END_BLOCK;
         return result;
     }
+    return 0;
 }
 
 // For the LogOutputCallback functions