diff --git a/bindings/python/src/tokenizer.rs b/bindings/python/src/tokenizer.rs
index a491a036..0e1c62ec 100644
--- a/bindings/python/src/tokenizer.rs
+++ b/bindings/python/src/tokenizer.rs
@@ -663,16 +663,19 @@ impl PyTokenizer {
     }
 
     /// Get the underlying vocabulary
-    /// 
+    ///
     /// Returns:
     ///     :obj:`Dict[int, AddedToken]`: The vocabulary
     #[pyo3(signature = ())]
     #[pyo3(text_signature = "(self)")]
     fn get_added_tokens_decoder(&self) -> HashMap<u32, PyAddedToken> {
-        self.tokenizer.get_added_tokens_decoder().into_iter().map(|(key, value)| (key, value.into())).collect()
+        self.tokenizer
+            .get_added_tokens_decoder()
+            .into_iter()
+            .map(|(key, value)| (key, value.into()))
+            .collect()
     }
 
-
     /// Get the size of the underlying vocabulary
     ///
     /// Args: