diff --git a/data/raw/f_647_xiaoheng.py b/data/raw/f_647_xiaoheng.py
index dd2dbd96..693aeda8 100644
--- a/data/raw/f_647_xiaoheng.py
+++ b/data/raw/f_647_xiaoheng.py
@@ -65,5 +65,6 @@ def test_5(self):
         input_data = [0, 0, 0, 0, 0]
         expected_output = np.array([0., 0., 0., 0., 0.])
         np.testing.assert_array_almost_equal(f_647(input_data), expected_output, decimal=2)
+        
 if __name__ == "__main__":
     run_tests()
\ No newline at end of file