diff --git a/stree/Splitter.py b/stree/Splitter.py
index b60f6cd..72867ac 100644
--- a/stree/Splitter.py
+++ b/stree/Splitter.py
@@ -267,7 +267,6 @@ def __init__(
         random_state=None,
         normalize=False,
     ):
-
         self._clf = clf
         self._random_state = random_state
         if random_state is not None:
diff --git a/stree/Strees.py b/stree/Strees.py
index b18a0d1..d443ab8 100644
--- a/stree/Strees.py
+++ b/stree/Strees.py
@@ -153,7 +153,6 @@ def __init__(
         multiclass_strategy: str = "ovo",
         normalize: bool = False,
     ):
-
         self.max_iter = max_iter
         self.C = C
         self.kernel = kernel