[pre-commit.ci] auto fixes from pre-commit.com hooks

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machine_learning/ridge_regression.py

@@ -16,7 +16,9 @@ class RidgeRegression:
         self.alpha = alpha
         self.lambda_ = lambda_
         self.iterations = iterations
-        self.theta: Optional[np.ndarray] = None  # Initialize as None, later will be ndarray
+        self.theta: Optional[np.ndarray] = (
+            None  # Initialize as None, later will be ndarray
+        )
 
     def feature_scaling(
         self, features: np.ndarray