Fix for pylint Failed

test=develop

python/paddle/fluid/tests/unittests/mkldnn/test_activation_mkldnn_op.py

@@ -121,9 +121,7 @@ class TestMKLDNNReluPrimitivesAlreadyExist(unittest.TestCase):
             block = program.global_block()
             for name in ground_truth:
                 block.create_var(
-                    name=name,
-                    dtype='float32',
-                    shape=ground_truth[name].shape)
+                    name=name, dtype='float32', shape=ground_truth[name].shape)
 
             relu_op = block.append_op(
                 type="abs",
@@ -149,8 +147,10 @@ class TestMKLDNNReluPrimitivesAlreadyExist(unittest.TestCase):
 
             # Do at least 2 iterations
             for i in range(2):
-                out = exe.run(program,
-                    feed={name: var_dict[name] for name in ['x', 'out@GRAD']},
+                out = exe.run(
+                    program,
+                    feed={name: var_dict[name]
+                          for name in ['x', 'out@GRAD']},
                     fetch_list=['x@GRAD'])
 
             self.__assert_close(x_grad, out[0], "x@GRAD")