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

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

Author: pre-commit-ci[bot]

neural_network/lstm.py

@@ -380,7 +380,6 @@ def test(self):
         return output
 
 
-
 if __name__ == "__main__":
     sample_data = """Long Short-Term Memory (LSTM) networks are a type
          of recurrent neural network (RNN) capable of learning "