diff --git a/tests/chainer_tests/functions_tests/connection_tests/test_linear.py b/tests/chainer_tests/functions_tests/connection_tests/test_linear.py
index 9345ae7b310c..173c81e97a86 100644
--- a/tests/chainer_tests/functions_tests/connection_tests/test_linear.py
+++ b/tests/chainer_tests/functions_tests/connection_tests/test_linear.py
@@ -150,4 +150,5 @@ def test_double_backward_gpu_nobias(self):
             cuda.to_gpu(self.gy), cuda.to_gpu(self.ggx), cuda.to_gpu(self.ggW),
             None)
 
+
 testing.run_module(__name__, __file__)