diff --git a/src/cl_sii/extras/dj_filters.py b/src/cl_sii/extras/dj_filters.py
index f6b42fac..20ec8f36 100644
--- a/src/cl_sii/extras/dj_filters.py
+++ b/src/cl_sii/extras/dj_filters.py
@@ -11,6 +11,7 @@
     import django_filters
 except ImportError as exc:  # pragma: no cover
     raise ImportError("Package 'django-filter' is required to use this module.") from exc
+
 from copy import deepcopy
 from typing import ClassVar, Mapping, Tuple, Type