diff --git a/bindings/python/src/error.rs b/bindings/python/src/error.rs
index d7f27e29b..7ba0d1256 100644
--- a/bindings/python/src/error.rs
+++ b/bindings/python/src/error.rs
@@ -23,6 +23,7 @@ impl std::error::Error for PyError {}
 pub struct ToPyResult<T>(pub Result<T>);
 impl<T> std::convert::Into<PyResult<T>> for ToPyResult<T> {
     fn into(self) -> PyResult<T> {
-        self.0.map_err(|e| { exceptions::Exception::py_err(format!("{}", e)) })
+        self.0
+            .map_err(|e| exceptions::Exception::py_err(format!("{}", e)))
     }
 }
diff --git a/bindings/python/src/models.rs b/bindings/python/src/models.rs
index c7d3dd0e2..0fa616358 100644
--- a/bindings/python/src/models.rs
+++ b/bindings/python/src/models.rs
@@ -174,10 +174,7 @@ impl WordLevel {
             }
         }
 
-        match tk::models::wordlevel::WordLevel::from_files(
-            vocab,
-            unk_token,
-        ) {
+        match tk::models::wordlevel::WordLevel::from_files(vocab, unk_token) {
             Err(e) => {
                 println!("Errors: {:?}", e);
                 Err(exceptions::Exception::py_err(
diff --git a/bindings/python/src/normalizers.rs b/bindings/python/src/normalizers.rs
index 5b59b94a3..3e485c6e4 100644
--- a/bindings/python/src/normalizers.rs
+++ b/bindings/python/src/normalizers.rs
@@ -158,4 +158,3 @@ impl Strip {
         }))
     }
 }
-
diff --git a/bindings/python/src/pre_tokenizers.rs b/bindings/python/src/pre_tokenizers.rs
index f81333e56..5657fda00 100644
--- a/bindings/python/src/pre_tokenizers.rs
+++ b/bindings/python/src/pre_tokenizers.rs
@@ -91,13 +91,16 @@ pub struct CharDelimiterSplit {}
 impl CharDelimiterSplit {
     #[new]
     pub fn new(obj: &PyRawObject, delimiter: &str) -> PyResult<()> {
-        let chr_delimiter = delimiter.chars().nth(0).ok_or(exceptions::Exception::py_err(
-            "delimiter must be a single character",
-        ))?;
-        Ok(obj.init(PreTokenizer{
-            pretok:Container::Owned(Box::new(
-                tk::pre_tokenizers::delimiter::CharDelimiterSplit::new(chr_delimiter)
-            ))
+        let chr_delimiter = delimiter
+            .chars()
+            .nth(0)
+            .ok_or(exceptions::Exception::py_err(
+                "delimiter must be a single character",
+            ))?;
+        Ok(obj.init(PreTokenizer {
+            pretok: Container::Owned(Box::new(
+                tk::pre_tokenizers::delimiter::CharDelimiterSplit::new(chr_delimiter),
+            )),
         }))
     }
 }
diff --git a/bindings/python/src/processors.rs b/bindings/python/src/processors.rs
index dfd1f123a..bd18c76fb 100644
--- a/bindings/python/src/processors.rs
+++ b/bindings/python/src/processors.rs
@@ -29,7 +29,6 @@ impl BertProcessing {
     }
 }
 
-
 #[pyclass(extends=PostProcessor)]
 pub struct RobertaProcessing {}
 #[pymethods]
diff --git a/bindings/python/src/tokenizer.rs b/bindings/python/src/tokenizer.rs
index 81b029a89..a2eccdc8e 100644
--- a/bindings/python/src/tokenizer.rs
+++ b/bindings/python/src/tokenizer.rs
@@ -39,10 +39,10 @@ impl Tokenizer {
     }
 
     fn num_special_tokens_to_add(&self, is_pair: bool) -> PyResult<usize> {
-        Ok(self.tokenizer
-               .get_post_processor()
-               .map_or(0, |p| p.as_ref().added_tokens(is_pair))
-        )
+        Ok(self
+            .tokenizer
+            .get_post_processor()
+            .map_or(0, |p| p.as_ref().added_tokens(is_pair)))
     }
 
     #[args(kwargs = "**")]
@@ -197,10 +197,11 @@ impl Tokenizer {
     }
 
     fn decode(&self, ids: Vec<u32>, skip_special_tokens: Option<bool>) -> PyResult<String> {
-        ToPyResult(self.tokenizer.decode(
-            ids,
-            skip_special_tokens.unwrap_or(true),
-        )).into()
+        ToPyResult(
+            self.tokenizer
+                .decode(ids, skip_special_tokens.unwrap_or(true)),
+        )
+        .into()
     }
 
     fn decode_batch(
@@ -208,10 +209,11 @@ impl Tokenizer {
         sentences: Vec<Vec<u32>>,
         skip_special_tokens: Option<bool>,
     ) -> PyResult<Vec<String>> {
-        ToPyResult(self.tokenizer.decode_batch(
-            sentences,
-            skip_special_tokens.unwrap_or(true),
-        )).into()
+        ToPyResult(
+            self.tokenizer
+                .decode_batch(sentences, skip_special_tokens.unwrap_or(true)),
+        )
+        .into()
     }
 
     fn token_to_id(&self, token: &str) -> Option<u32> {