ruff cleanup (#4594)

* check editor config

* no editorconfig, it doesn't work

* ruff cleanups

test/imported/test_indexing.py

@@ -378,7 +378,6 @@ class TestIndexing(unittest.TestCase):
     numpy_testing_assert_equal_helper(strided[rows, columns],
                       np.array([[1, 3], [11, 13]]))
 
-
     # setting values
 
     # strided is [[10, 11],

test/test_fuzz_shape_ops.py

@@ -25,7 +25,6 @@ def st_shape(draw) -> tuple[int, ...]:
   assume(prod([d for d in s if d]) <= 1024 ** 4)
   return s
 
-
 def tensors_for_shape(s:tuple[int, ...]) -> tuple[torch.tensor, Tensor]:
   x = np.arange(prod(s)).reshape(s)
   return torch.from_numpy(x), Tensor(x)
@@ -51,7 +50,6 @@ class TestShapeOps(unittest.TestCase):
     assert len(tor) == len(ten)
     assert all([np.array_equal(tor.numpy(), ten.numpy()) for (tor, ten) in zip(tor, ten)])
 
-
   @settings.get_profile(__file__)
   @given(st_shape(), st_int32, st_int32)
   def test_chunk(self, s:tuple[int, ...], dim:int, num:int):

test/test_nn.py

@@ -182,7 +182,6 @@ class TestNN(unittest.TestCase):
     np.testing.assert_allclose(gb.numpy(), torch_layer.bias.grad.numpy(), atol=5e-4, rtol=1e-5)
     np.testing.assert_allclose(gx.numpy(), torch_x.grad.numpy(), atol=5e-4, rtol=1e-5)
 
-
   @unittest.skipIf(CI and Device.DEFAULT == "WEBGPU", "runs out of memory in CI")
   def test_conv_transpose1d(self):
     BS, C1, W = 4, 16, 224//4