diff --git a/beat/core/data.py b/beat/core/data.py
old mode 100644
new mode 100755
index 84de395fc8b3540d0fb0bbc6ea71912750a1af1f..487511a93a9fafc6be009853abe103c1acb3abe8
--- a/beat/core/data.py
+++ b/beat/core/data.py
@@ -32,4 +32,5 @@ from beat.backend.python.data import CachedDataSource
 from beat.backend.python.data import CachedDataSink
 from beat.backend.python.data import MemoryDataSource
 from beat.backend.python.data import MemoryDataSink
+from beat.backend.python.data import load_data_index
 from beat.backend.python.data import foundSplitRanges