1 files changed, 4 insertions, 0 deletions
diff --git a/source/blender/python/mathutils/mathutils.h b/source/blender/python/mathutils/mathutils.h
index d1fb6dcdb82..ec927a9e316 100644
--- a/source/blender/python/mathutils/mathutils.h
+++ b/source/blender/python/mathutils/mathutils.h
@@ -78,6 +78,10 @@ typedef struct {
 #include "mathutils_Euler.h"
 #include "mathutils_Color.h"
 
+/* avoid checking all types */
+#define BaseMathObject_CheckExact(v) \
+	(Py_TYPE(v)->tp_dealloc == (destructor)BaseMathObject_dealloc)
+
 PyObject *BaseMathObject_owner_get(BaseMathObject *self, void *);
 PyObject *BaseMathObject_is_wrapped_get(BaseMathObject *self, void *);
 PyObject *BaseMathObject_is_frozen_get(BaseMathObject *self, void *);