bpo-39573: Use Py_TYPE() macro in Modules directory (GH-18393)
Replace direct access to PyObject.ob_type with Py_TYPE().
diff --git a/Modules/cjkcodecs/multibytecodec.h b/Modules/cjkcodecs/multibytecodec.h
index 6d34534..94670ec 100644
--- a/Modules/cjkcodecs/multibytecodec.h
+++ b/Modules/cjkcodecs/multibytecodec.h
@@ -65,7 +65,7 @@
MultibyteCodec *codec;
} MultibyteCodecObject;
-#define MultibyteCodec_Check(op) ((op)->ob_type == &MultibyteCodec_Type)
+#define MultibyteCodec_Check(op) (Py_TYPE(op) == &MultibyteCodec_Type)
#define _MultibyteStatefulCodec_HEAD \
PyObject_HEAD \