diff --git a/src/ekomark/data/__init__.py b/src/ekomark/data/__init__.py
index b6242845b..89fb6377b 100644
--- a/src/ekomark/data/__init__.py
+++ b/src/ekomark/data/__init__.py
@@ -1,4 +1,5 @@
 """EKO database configuration."""
+
 from typing import Union
 
 from eko.io.runcards import Legacy, OperatorCard, TheoryCard