diff --git a/sugartrail/__init__.py b/sugartrail/__init__.py
index d9b1470..ca74c93 100644
--- a/sugartrail/__init__.py
+++ b/sugartrail/__init__.py
@@ -3,4 +3,5 @@ from . import base
 from . import processing
 from . import mapview
 from . import hop
+from . import const
 from . import progress