diff --git a/machine_learning/ridge_regression/test_ridge_regression.py b/machine_learning/ridge_regression/test_ridge_regression.py
index 810d0e05d..7920baca6 100644
--- a/machine_learning/ridge_regression/test_ridge_regression.py
+++ b/machine_learning/ridge_regression/test_ridge_regression.py
@@ -14,6 +14,7 @@ To run these tests, use the following command:
 # from ridge_regression import RidgeRegression
 
 
+
 def test_feature_scaling():
     """
        Tests the feature_scaling function of RidgeRegression.
@@ -32,6 +33,7 @@ def test_feature_scaling():
     """
 
 
+
 def test_fit():
     """
     Tests the fit function of RidgeRegression
@@ -54,6 +56,7 @@ def test_fit():
     """
 
 
+
 def test_predict():
     """
     Tests the predict function of RidgeRegression
@@ -77,6 +80,7 @@ def test_predict():
     """
 
 
+
 def test_mean_absolute_error():
     """
     Tests the mean_absolute_error function of RidgeRegression
@@ -90,6 +94,7 @@ def test_mean_absolute_error():
     """
 
 
+
 if __name__ == "__main__":
     import doctest