diff --git a/bdikit/api.py b/bdikit/api.py
index 2baac1e..3eb6c92 100644
--- a/bdikit/api.py
+++ b/bdikit/api.py
@@ -1003,4 +1003,4 @@ def _create_mapper_from_value_matches(matches: List[ValueMatch]) -> DictionaryMa
       },
       df_value_mapping_2, # a DataFrame returned by match_values()
     ]
-"""
\ No newline at end of file
+"""