diff --git a/logprep/filter/lucene_filter.py b/logprep/filter/lucene_filter.py
index 2254c24a2..e8077f6f1 100644
--- a/logprep/filter/lucene_filter.py
+++ b/logprep/filter/lucene_filter.py
@@ -343,7 +343,6 @@ def _check_key_and_modifier(key, value):
                 return RegExFilterExpression(key[:-1] + key_and_modifier[:-1], value)
         return None
 
-
     def _get_filter_expression(
         self, key: List[str], value
     ) -> Union[RegExFilterExpression, StringFilterExpression]:
@@ -368,7 +367,7 @@ def _get_filter_expression(
         return StringFilterExpression(key, value)
 
     def _get_filter_expression_regex(
-            self, key: List[str], value
+        self, key: List[str], value
     ) -> Union[RegExFilterExpression, StringFilterExpression]:
 
         key_and_modifier_check = LuceneTransformer._check_key_and_modifier(key, value)
@@ -378,7 +377,6 @@ def _get_filter_expression_regex(
         value = value.strip("/")
         return RegExFilterExpression(key, value)
 
-
     @staticmethod
     def _create_value_expression(word: luqum.tree) -> Union[Exists, Always]:
         value = word.value.replace("\\", "")