diff --git a/sklearn_questions.py b/sklearn_questions.py
index c351e5a..85dc239 100644
--- a/sklearn_questions.py
+++ b/sklearn_questions.py
@@ -203,7 +203,6 @@ def split(self, X, y, groups=None):
         idx_test : ndarray
             The testing set indices for that split.
         """
-
         X = X.reset_index()
 
         if not pd.api.types.is_datetime64_any_dtype(X[self.time_col]):