diff --git a/ae5_tools/common/config/environment.py b/ae5_tools/common/config/environment.py
index c562389b..5797541e 100644
--- a/ae5_tools/common/config/environment.py
+++ b/ae5_tools/common/config/environment.py
@@ -1,4 +1,5 @@
 """ Helper functions for environment variables. """
+
 from __future__ import annotations
 
 import os