diff --git a/tdc/multi_pred/perturboutcome.py b/tdc/multi_pred/perturboutcome.py
index 0599a01c..f089a75a 100644
--- a/tdc/multi_pred/perturboutcome.py
+++ b/tdc/multi_pred/perturboutcome.py
@@ -351,4 +351,3 @@ def map_name(x):
                                      (ratios[1] + ratios[2]),
                                      random_state=random_state)
         return {"control": control, "train": train, "dev": dev, "test": test}
-