https://bugs.gentoo.org/929973
--- a/src/Gui/PythonWrapper.cpp
+++ b/src/Gui/PythonWrapper.cpp
@@ -480,3 +480,3 @@
             return false;
-        types = Shiboken::Module::getTypes(requiredModule);
+        types = reinterpret_cast<PyTypeObject **>(Shiboken::Module::getTypes(requiredModule));
     }