fix flake8 error: blank line at EOF
@@ -54,3 +54,4 @@ class TestPacking(unittest.TestCase):
a = cupy.array([10, 20, 30], dtype=cupy.uint8)
pytest.raises(ValueError, cupy.unpackbits, a, bitorder='r')
pytest.raises(ValueError, cupy.unpackbits, a, bitorder=10)
+
\ No newline at end of file
