polish code with new pre-commit rule (#2923)

test/operators/test_deqant_int8_cpp_extension.py

@@ -11,7 +11,7 @@
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
-""" UT for air_topp_sampling kernel """
+"""UT for air_topp_sampling kernel"""
 
 import unittest
 
@@ -20,7 +20,6 @@ import paddle
 
 
 class Test(unittest.TestCase):
-
     def setUp(self):
         """
         Initialize.
@@ -50,10 +49,7 @@ class Test(unittest.TestCase):
         exe.run(paddle.static.default_startup_program())
         op_out = exe.run(fetch_list=[op_out])[0]
         func_out = self.dequant_int8_test(True)
-        np.testing.assert_allclose(op_out,
-                                   func_out.numpy(),
-                                   rtol=1e-04,
-                                   atol=1e-04)
+        np.testing.assert_allclose(op_out, func_out.numpy(), rtol=1e-04, atol=1e-04)
 
 
 if __name__ == "__main__":