diff --git a/sklearn_questions.py b/sklearn_questions.py
index a0b9d8e..1890fa7 100644
--- a/sklearn_questions.py
+++ b/sklearn_questions.py
@@ -205,7 +205,6 @@ def split(self, X, y, groups=None):
         idx_test : ndarray
             The testing set indices for that split.
         """
-
         if self.time_col != 'index':
             X = X.set_index(self.time_col)