diff --git a/pykat/__init__.py b/pykat/__init__.py
index 4287ca8617970fa8fc025b75cb319c7032706910..a82b23d19a0120d599d8bddd79807d0dfdd07bc6 100644
--- a/pykat/__init__.py
+++ b/pykat/__init__.py
@@ -1 +1 @@
-#
\ No newline at end of file
+__all__ = ['finesse', 'components', 'detectors', 'commands']