diff --git a/machine_learning/scoring_functions.py b/machine_learning/scoring_functions.py
index 4204716cd..64806a096 100644
--- a/machine_learning/scoring_functions.py
+++ b/machine_learning/scoring_functions.py
@@ -1,4 +1,4 @@
-import numpy
+import numpy as np
 
 """ Here I implemented the scoring functions.
     MAE, MSE, RMSE, RMSLE are included.