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

for more information, see https://pre-commit.ci

Author: pre-commit-ci[bot]

machine_learning/multilayer_perceptron_classifier.py

@@ -35,6 +35,7 @@
 from typing import List, Sequence
 from sklearn.neural_network import MLPClassifier
 
+
 def multilayer_perceptron_classifier(
     train_features: Sequence[Sequence[float]],
     train_labels: Sequence[int],
@@ -70,6 +71,8 @@ def multilayer_perceptron_classifier(
     predictions = clf.predict(test_features)
     return list(predictions)
 
+
 if __name__ == "__main__":
     import doctest
-    doctest.testmod()
+
+    doctest.testmod()