Issue #2396: backport the memoryview object.
diff --git a/Include/Python.h b/Include/Python.h
index 1a05116..7af6b13 100644
--- a/Include/Python.h
+++ b/Include/Python.h
@@ -92,7 +92,7 @@
 #endif
 #include "rangeobject.h"
 #include "stringobject.h"
-/* #include "memoryobject.h" */
+#include "memoryobject.h"
 #include "bufferobject.h"
 #include "bytesobject.h"
 #include "bytearrayobject.h"