[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/neural_network/optimizers/sgd.py

@@ -4,6 +4,7 @@
 
 from typing import List
 
+
 def sgd_update(weights: List[float], grads: List[float], lr: float) -> List[float]:
     """
     Update weights using SGD.

machine_learning/neural_network/optimizers/test_sgd.py

@@ -1,11 +1,13 @@
 from sgd import sgd_update
 
+
 def test_sgd():
     weights = [0.5, -0.2]
     grads = [0.1, -0.1]
     updated = sgd_update(weights, grads, lr=0.01)
     assert updated == [0.499, -0.199], f"Expected [0.499, -0.199], got {updated}"
 
+
 if __name__ == "__main__":
     test_sgd()
     print("SGD test passed!")

test_sgd.py

@@ -1,11 +1,13 @@
 from neural_network.optimizers.sgd import sgd_update
 
+
 def test_sgd():
     weights = [0.5, -0.2]
     grads = [0.1, -0.1]
     updated = sgd_update(weights, grads, lr=0.01)
     assert updated == [0.499, -0.199], f"Expected [0.499, -0.199], got {updated}"
 
+
 if __name__ == "__main__":
     test_sgd()
     print("SGD test passed!")