From f2a3586e953bee8b1a019b05bca09bece7746317 Mon Sep 17 00:00:00 2001
From: gouzi <530971494@qq.com>
Date: Sat, 16 Aug 2025 23:28:47 +0800
Subject: [PATCH] [CodeStyle] `black -> ruff format` migration - part 6

---
 test/legacy_test/test_broadcast_to_op.py    |  1 -
 test/legacy_test/test_calc_gradient.py      |  1 -
 test/legacy_test/test_case.py               |  4 ----
 test/legacy_test/test_cast_op.py            |  1 -
 test/legacy_test/test_channel_shuffle.py    |  1 -
 test/legacy_test/test_clip_op.py            |  2 --
 test/legacy_test/test_compare_op.py         |  4 ----
 test/legacy_test/test_concat_op.py          |  2 --
 test/legacy_test/test_cond.py               |  2 --
 test/legacy_test/test_conj_op.py            |  1 -
 test/legacy_test/test_conv2d_op.py          |  1 -
 test/legacy_test/test_conv_nn_grad.py       | 16 ----------------
 test/legacy_test/test_crop_tensor_op.py     |  1 -
 test/legacy_test/test_cumsum_op.py          |  2 --
 test/legacy_test/test_deformable_conv_op.py |  2 --
 test/legacy_test/test_diag_embed.py         |  1 -
 test/legacy_test/test_diag_v2.py            |  1 -
 test/legacy_test/test_diff_op.py            |  1 -
 test/legacy_test/test_dlpack.py             |  2 --
 test/legacy_test/test_dot_op.py             |  1 -
 20 files changed, 47 deletions(-)

diff --git a/test/legacy_test/test_broadcast_to_op.py b/test/legacy_test/test_broadcast_to_op.py
index 723bf799d2fcdf..4ade2cd70c2ba8 100644
--- a/test/legacy_test/test_broadcast_to_op.py
+++ b/test/legacy_test/test_broadcast_to_op.py
@@ -24,7 +24,6 @@
 
 
 class TestBroadcastToError(unittest.TestCase):
-
     def test_errors(self):
         with paddle.static.program_guard(
             paddle.static.Program(), paddle.static.Program()
diff --git a/test/legacy_test/test_calc_gradient.py b/test/legacy_test/test_calc_gradient.py
index dbeb249359926b..eb6df177850642 100644
--- a/test/legacy_test/test_calc_gradient.py
+++ b/test/legacy_test/test_calc_gradient.py
@@ -86,7 +86,6 @@ def test2(self):
 
 
 class TestGradientWithPrune(unittest.TestCase):
-
     def test_prune(self):
         with paddle.base.scope_guard(paddle.static.Scope()):
             x = paddle.static.data(name='x', shape=[3], dtype='float32')
diff --git a/test/legacy_test/test_case.py b/test/legacy_test/test_case.py
index e8e5b9c94f5e52..e88e4bb45ea418 100644
--- a/test/legacy_test/test_case.py
+++ b/test/legacy_test/test_case.py
@@ -27,7 +27,6 @@
 
 
 class TestAPICase(unittest.TestCase):
-
     def test_return_single_var(self):
         def fn_1():
             return paddle.tensor.fill_constant(
@@ -298,7 +297,6 @@ def fn_3():
 
 
 class TestAPICase_Nested(unittest.TestCase):
-
     def test_nested_case(self):
         def fn_1(x=1):
             var_5 = paddle.tensor.fill_constant(
@@ -513,7 +511,6 @@ def fn_3():
 
 
 class TestAPICase_Error(unittest.TestCase):
-
     def test_error(self):
         def fn_1():
             return paddle.tensor.fill_constant(
@@ -582,7 +579,6 @@ def type_error_default():
 
 # when optimizer in case
 class TestMultiTask(unittest.TestCase):
-
     def test_optimizer_in_case(self):
         BATCH_SIZE = 1
         INPUT_SIZE = 784
diff --git a/test/legacy_test/test_cast_op.py b/test/legacy_test/test_cast_op.py
index b8e6be0557588e..1c6b5741a33fdc 100644
--- a/test/legacy_test/test_cast_op.py
+++ b/test/legacy_test/test_cast_op.py
@@ -194,7 +194,6 @@ def test_grad(self):
 
 
 class TestCastOpError(unittest.TestCase):
-
     def test_errors(self):
         paddle.enable_static()
         with program_guard(Program(), Program()):
diff --git a/test/legacy_test/test_channel_shuffle.py b/test/legacy_test/test_channel_shuffle.py
index 4b1f4ef5d75a26..10339cbd13cde5 100644
--- a/test/legacy_test/test_channel_shuffle.py
+++ b/test/legacy_test/test_channel_shuffle.py
@@ -252,7 +252,6 @@ def test_dygraph2(self):
 
 
 class TestChannelShuffleError(unittest.TestCase):
-
     def test_error_functional(self):
         def error_input():
             with paddle.base.dygraph.guard():
diff --git a/test/legacy_test/test_clip_op.py b/test/legacy_test/test_clip_op.py
index a34c3de3a80fdb..0771ff51e61e5e 100644
--- a/test/legacy_test/test_clip_op.py
+++ b/test/legacy_test/test_clip_op.py
@@ -301,7 +301,6 @@ def initTestCase(self):
 
 
 class TestClipOpError(unittest.TestCase):
-
     def test_errors(self):
         paddle.enable_static()
         with paddle.static.program_guard(
@@ -489,7 +488,6 @@ def test_errors(self):
 
 
 class TestClipOpFp16(unittest.TestCase):
-
     def test_fp16(self):
         if base.core.is_compiled_with_cuda():
             paddle.enable_static()
diff --git a/test/legacy_test/test_compare_op.py b/test/legacy_test/test_compare_op.py
index 3d1036baaec60d..a189be9ef268ba 100644
--- a/test/legacy_test/test_compare_op.py
+++ b/test/legacy_test/test_compare_op.py
@@ -515,7 +515,6 @@ def test_check_output(self):
 
 
 class TestCompareOpError(unittest.TestCase):
-
     def test_int16_support(self):
         paddle.enable_static()
         with paddle.static.program_guard(
@@ -530,7 +529,6 @@ def test_int16_support(self):
 
 
 class API_TestElementwise_Equal(unittest.TestCase):
-
     def test_api(self):
         paddle.enable_static()
         with paddle.static.program_guard(
@@ -571,7 +569,6 @@ def test_api_fp16(self):
 
 
 class API_TestElementwise_Greater_Than(unittest.TestCase):
-
     def test_api_fp16(self):
         paddle.enable_static()
         with paddle.static.program_guard(
@@ -588,7 +585,6 @@ def test_api_fp16(self):
 
 
 class TestCompareOpPlace(unittest.TestCase):
-
     def test_place_1(self):
         paddle.enable_static()
         place = paddle.CPUPlace()
diff --git a/test/legacy_test/test_concat_op.py b/test/legacy_test/test_concat_op.py
index ccfc0dc3424452..16e4f97b942aeb 100644
--- a/test/legacy_test/test_concat_op.py
+++ b/test/legacy_test/test_concat_op.py
@@ -673,7 +673,6 @@ def test_input_same_dtype():
 
 
 class TestConcatAPI(unittest.TestCase):
-
     def test_base_api(self):
         paddle.enable_static()
         with paddle.base.program_guard(paddle.base.Program()):
@@ -1014,7 +1013,6 @@ def if_enable_cinn(self):
 
 
 class TestConcatOpErrorWithPir(unittest.TestCase):
-
     def test_errors_with_pir(self):
         paddle.enable_static()
         with paddle.base.program_guard(
diff --git a/test/legacy_test/test_cond.py b/test/legacy_test/test_cond.py
index d966db3587f4ae..5a9b1fb51d9140 100644
--- a/test/legacy_test/test_cond.py
+++ b/test/legacy_test/test_cond.py
@@ -478,7 +478,6 @@ def test_extremely_simple_net_with_op_in_condition(self):
 
 
 class TestCondNestedControlFlow(unittest.TestCase):
-
     def test_cond_inside_cond(self):
         """
         pseudocode:
@@ -930,7 +929,6 @@ def func():
 
 
 class TestCondWithDict(unittest.TestCase):
-
     @compare_legacy_with_pt
     def test_input_with_dict(self):
         paddle.enable_static()
diff --git a/test/legacy_test/test_conj_op.py b/test/legacy_test/test_conj_op.py
index 8f8083a68534ed..b5ceddb7a02333 100644
--- a/test/legacy_test/test_conj_op.py
+++ b/test/legacy_test/test_conj_op.py
@@ -155,7 +155,6 @@ def test_conj_api_real_number(self):
 
 
 class Testfp16ConjOp(unittest.TestCase):
-
     def testfp16(self):
         if paddle.is_compiled_with_cuda():
             input_x = (
diff --git a/test/legacy_test/test_conv2d_op.py b/test/legacy_test/test_conv2d_op.py
index 4ee915872aa85a..f74ec7c8948c23 100644
--- a/test/legacy_test/test_conv2d_op.py
+++ b/test/legacy_test/test_conv2d_op.py
@@ -726,7 +726,6 @@ def init_kernel_type(self):
 
 
 class TestConv2DOpError(unittest.TestCase):
-
     def test_errors(self):
         with paddle.static.program_guard(
             paddle.static.Program(), paddle.static.Program()
diff --git a/test/legacy_test/test_conv_nn_grad.py b/test/legacy_test/test_conv_nn_grad.py
index 17296ba5488998..93bbb2e53394ec 100644
--- a/test/legacy_test/test_conv_nn_grad.py
+++ b/test/legacy_test/test_conv_nn_grad.py
@@ -26,7 +26,6 @@
 
 
 class TestConvDoubleGradCheck(unittest.TestCase):
-
     @prog_scope()
     def func_pir(self, place):
         shape = [2, 4, 3, 3]
@@ -50,7 +49,6 @@ def test_grad(self):
 
 
 class TestConvDoubleGradCheckTest0(unittest.TestCase):
-
     @prog_scope()
     def func_pir(self, place):
         shape = [2, 4, 3, 3]
@@ -74,7 +72,6 @@ def test_grad(self):
 
 
 class TestConvDoubleGradCheckTest1(unittest.TestCase):
-
     @prog_scope()
     def func_pir(self, place):
         shape = [2, 3, 3, 3]
@@ -98,7 +95,6 @@ def test_grad(self):
 
 
 class TestConv3DDoubleGradCheck(unittest.TestCase):
-
     @prog_scope()
     def func_pir(self, place):
         shape = [2, 4, 3, 4, 2]
@@ -122,7 +118,6 @@ def test_grad(self):
 
 
 class TestConv3DDoubleGradCheckTest1(unittest.TestCase):
-
     @prog_scope()
     def func_pir(self, place):
         shape = [2, 4, 5, 3, 2]
@@ -146,7 +141,6 @@ def test_grad(self):
 
 
 class TestConv2DoubleGradCheck_AsyPadding(unittest.TestCase):
-
     @prog_scope()
     def func_pir(self, place):
         shape = [2, 2, 3, 3]
@@ -170,7 +164,6 @@ def test_grad(self):
 
 
 class TestConv2DoubleGradCheck_PaddingSAME(unittest.TestCase):
-
     @prog_scope()
     def func_pir(self, place):
         shape = [2, 2, 3, 3]
@@ -194,7 +187,6 @@ def test_grad(self):
 
 
 class TestConv2DoubleGradCheck_PaddingVALID(unittest.TestCase):
-
     @prog_scope()
     def func_pir(self, place):
         shape = [2, 2, 3, 3]
@@ -218,7 +210,6 @@ def test_grad(self):
 
 
 class TestConv2DoubleGradCheck_ChannelLast(unittest.TestCase):
-
     @prog_scope()
     def func_pir(self, place):
         x_shape = [2, 2, 3, 3]
@@ -243,7 +234,6 @@ def test_grad(self):
 
 
 class TestConv2DoubleGradCheck_ChannelLast_AsyPadding(unittest.TestCase):
-
     @prog_scope()
     def func_pir(self, place):
         x_shape = [2, 2, 3, 3]
@@ -268,7 +258,6 @@ def test_grad(self):
 
 
 class TestConv3DDoubleGradCheck_AsyPadding(unittest.TestCase):
-
     @prog_scope()
     def func_pir(self, place):
         shape = [2, 2, 2, 2, 2]
@@ -292,7 +281,6 @@ def test_grad(self):
 
 
 class TestConv3DoubleGradCheck_PaddingSAME(unittest.TestCase):
-
     @prog_scope()
     def func_pir(self, place):
         shape = [2, 2, 2, 2, 2]
@@ -316,7 +304,6 @@ def test_grad(self):
 
 
 class TestConv3DoubleGradCheck_PaddingVALID(unittest.TestCase):
-
     @prog_scope()
     def func_pir(self, place):
         shape = [2, 2, 3, 3, 2]
@@ -340,7 +327,6 @@ def test_grad(self):
 
 
 class TestConv3DDoubleGradCheck_ChannelLast(unittest.TestCase):
-
     @prog_scope()
     def func_pir(self, place):
         x_shape = [2, 2, 2, 2, 3]
@@ -365,7 +351,6 @@ def test_grad(self):
 
 
 class TestConv3DDoubleGradCheck_ChannelLast_AsyPadding(unittest.TestCase):
-
     @prog_scope()
     def func_pir(self, place):
         x_shape = [2, 2, 2, 2, 3]
@@ -390,7 +375,6 @@ def test_grad(self):
 
 
 class TestDepthWiseConvDoubleGradCheck(unittest.TestCase):
-
     @prog_scope()
     def func_pir(self, place):
         x_shape = [2, 4, 3, 3]
diff --git a/test/legacy_test/test_crop_tensor_op.py b/test/legacy_test/test_crop_tensor_op.py
index 6efc2270a1d156..75df7bf0910dac 100644
--- a/test/legacy_test/test_crop_tensor_op.py
+++ b/test/legacy_test/test_crop_tensor_op.py
@@ -271,7 +271,6 @@ def test_check_output(self):
 
 
 class TestCropTensorException(unittest.TestCase):
-
     def test_exception(self):
         paddle.enable_static()
         input1 = paddle.static.data(
diff --git a/test/legacy_test/test_cumsum_op.py b/test/legacy_test/test_cumsum_op.py
index f218892447978e..f1aaee5297b056 100644
--- a/test/legacy_test/test_cumsum_op.py
+++ b/test/legacy_test/test_cumsum_op.py
@@ -590,7 +590,6 @@ def test_check_grad(self):
 
 
 class BadInputTest(unittest.TestCase):
-
     def test_error(self):
         paddle.enable_static()
         with paddle.static.program_guard(
@@ -725,7 +724,6 @@ def test_static(self):
 
 
 class TestCumSumOpFp16(unittest.TestCase):
-
     def test_fp16(self):
         if core.is_compiled_with_cuda():
             paddle.enable_static()
diff --git a/test/legacy_test/test_deformable_conv_op.py b/test/legacy_test/test_deformable_conv_op.py
index 0a0bac67ccc4d4..d220455bbd63b5 100644
--- a/test/legacy_test/test_deformable_conv_op.py
+++ b/test/legacy_test/test_deformable_conv_op.py
@@ -371,7 +371,6 @@ def init_test_case(self):
 
 
 class TestModulatedDeformableConvInvalidInput(unittest.TestCase):
-
     def test_error_api(self):
         def test_invalid_input():
             paddle.enable_static()
@@ -428,7 +427,6 @@ def test_invalid_groups():
 
 
 class TestDeformConv2DAPI(unittest.TestCase):
-
     def test_api(self):
         def test_deform_conv2d_v1():
             paddle.enable_static()
diff --git a/test/legacy_test/test_diag_embed.py b/test/legacy_test/test_diag_embed.py
index 5fba1905df3b00..9aee725e220768 100644
--- a/test/legacy_test/test_diag_embed.py
+++ b/test/legacy_test/test_diag_embed.py
@@ -60,7 +60,6 @@ def init_shape(self):
 
 
 class TestDiagEmbedAPICase(unittest.TestCase):
-
     def test_case1(self):
         paddle.enable_static()
         main = paddle.static.Program()
diff --git a/test/legacy_test/test_diag_v2.py b/test/legacy_test/test_diag_v2.py
index a8680fba7044e7..26d9e76bfbbea9 100644
--- a/test/legacy_test/test_diag_v2.py
+++ b/test/legacy_test/test_diag_v2.py
@@ -106,7 +106,6 @@ def init_input_output(self):
 
 
 class TestDiagV2Error(unittest.TestCase):
-
     def test_errors(self):
         paddle.enable_static()
         main = static.Program()
diff --git a/test/legacy_test/test_diff_op.py b/test/legacy_test/test_diff_op.py
index 71bda9175d2192..da82807fa68cb3 100644
--- a/test/legacy_test/test_diff_op.py
+++ b/test/legacy_test/test_diff_op.py
@@ -306,7 +306,6 @@ def set_args(self):
 
 
 class TestDiffOpFp16(TestDiffOp):
-
     def test_fp16_with_gpu(self):
         paddle.enable_static()
         if paddle.base.core.is_compiled_with_cuda():
diff --git a/test/legacy_test/test_dlpack.py b/test/legacy_test/test_dlpack.py
index d0fce4e313798d..86e881802f1b6d 100644
--- a/test/legacy_test/test_dlpack.py
+++ b/test/legacy_test/test_dlpack.py
@@ -332,7 +332,6 @@ def test_to_dlpack_from_zero_size(self):
 class TestDLPackDevice(unittest.TestCase):
     def test_dlpack_device(self):
         with dygraph_guard():
-
             tensor_cpu = paddle.to_tensor([1, 2, 3], place=base.CPUPlace())
             device_type, device_id = tensor_cpu.__dlpack_device__()
             self.assertEqual(device_type, DLDeviceType.kDLCPU)
@@ -362,7 +361,6 @@ def test_dlpack_device(self):
 
     def test_dlpack_device_zero_dim(self):
         with dygraph_guard():
-
             tensor = paddle.to_tensor(5.0, place=base.CPUPlace())
             device_type, device_id = tensor.__dlpack_device__()
             self.assertEqual(device_type, DLDeviceType.kDLCPU)
diff --git a/test/legacy_test/test_dot_op.py b/test/legacy_test/test_dot_op.py
index a97a6fa8342ce0..60f89682849735 100644
--- a/test/legacy_test/test_dot_op.py
+++ b/test/legacy_test/test_dot_op.py
@@ -173,7 +173,6 @@ def test_check_grad_ignore_y(self):
 
 
 class TestDotOpError(unittest.TestCase):
-
     def test_errors(self):
         with paddle.static.program_guard(
             paddle.static.Program(), paddle.static.Program()