diff --git a/tests/laborious/utils/filters/test_conditional_filters.py b/tests/laborious/utils/filters/test_conditional_filters.py
index 16ddd45..e963572 100644
--- a/tests/laborious/utils/filters/test_conditional_filters.py
+++ b/tests/laborious/utils/filters/test_conditional_filters.py
@@ -1,6 +1,9 @@
 from pandas import DataFrame
 
-from laborious.utils.filters.conditional_filters import filter_specific_variables_null_values, filter_empty_data
+from laborious.utils.filters.conditional_filters import (
+    filter_specific_variables_null_values,
+    filter_empty_data
+)
 
 
 def test_filter_specific_variables_null_values():