don't use NDEBUG
diff --git a/Include/object.h b/Include/object.h
index 5727747..a79d1f7 100644
--- a/Include/object.h
+++ b/Include/object.h
@@ -28,10 +28,6 @@
******************************************************************/
-#ifndef DEBUG
-#define NDEBUG
-#endif
-
/* Object and type object interface */
/*
@@ -81,7 +77,7 @@
123456789-123456789-123456789-123456789-123456789-123456789-123456789-12
*/
-#ifndef NDEBUG
+#ifdef DEBUG
/* Turn on heavy reference debugging */
#define Py_TRACE_REFS
@@ -89,7 +85,7 @@
/* Turn on reference counting */
#define Py_REF_DEBUG
-#endif /* NDEBUG */
+#endif /* DEBUG */
#ifdef Py_TRACE_REFS
#define PyObject_HEAD \