Don't abbreviate ABS, use long name ABSOLUTE.
diff --git a/Include/pythonrun.h b/Include/pythonrun.h
index 1ecb3d7..cfc40e3 100644
--- a/Include/pythonrun.h
+++ b/Include/pythonrun.h
@@ -7,7 +7,7 @@
 extern "C" {
 #endif
 
-#define PyCF_MASK (CO_FUTURE_DIVISION | CO_FUTURE_ABSIMPORT | \
+#define PyCF_MASK (CO_FUTURE_DIVISION | CO_FUTURE_ABSOLUTE_IMPORT | \
                    CO_FUTURE_WITH_STATEMENT)
 #define PyCF_MASK_OBSOLETE (CO_NESTED)
 #define PyCF_SOURCE_IS_UTF8  0x0100