diff --git a/polytope_feature/datacube/transformations/datacube_type_change/datacube_type_change.py b/polytope_feature/datacube/transformations/datacube_type_change/datacube_type_change.py
index 2ae05e89..876cb84c 100644
--- a/polytope_feature/datacube/transformations/datacube_type_change/datacube_type_change.py
+++ b/polytope_feature/datacube/transformations/datacube_type_change/datacube_type_change.py
@@ -1,5 +1,6 @@
 from copy import deepcopy
 from importlib import import_module
+
 import pandas as pd
 
 from ..datacube_transformations import DatacubeAxisTransformation