old_contents: import unittest
  
  import numpy
  
  import cupy
  from cupy import testing
  
  
  @testing.gpu
  class TestSort(unittest.TestCase):
  
      _multiprocess_can_split_ = True
  
      # Test ranks
  
      # @testing.numpy_cupy_raises()
      # def test_sort_zero_dim(self, xp):
      #     a = testing.shaped_random((), xp)
      #     a.sort()
  
      # def test_sort_two_or_more_dim(self):
      #     a = testing.shaped_random((2,3), cupy)
      #     with self.assertRaises(ValueError):
      #         a.sort()
  
      # Test dtypes
  
      # TODO(takagi): Test 'bqBHILQ' dtypes
      # TODO(takagi): Test numpy.float16
      # TODO(takagi): Test numpy.bool_
      @testing.for_dtypes(['h', 'i', 'l', numpy.float32, numpy.float64,])
      @testing.numpy_cupy_allclose()
      def test_sort_dtype(self, xp, dtype):
          a = testing.shaped_random((10,), xp, dtype)
          a.sort()
          return a
  
      # Test views
  
      def test_sort_view(self):
          a = testing.shaped_random((10,), cupy)[::]  # with making a view
          with self.assertRaises(ValueError):
              a.sort()
  
new_contents: import unittest
  
  import numpy
  
  import cupy
  from cupy import testing
  
  
  @testing.gpu
  class TestSort(unittest.TestCase):
  
      _multiprocess_can_split_ = True
  
      # Test ranks
  
      # @testing.numpy_cupy_raises()
      # def test_sort_zero_dim(self, xp):
      #     a = testing.shaped_random((), xp)
      #     a.sort()
  
      # def test_sort_two_or_more_dim(self):
      #     a = testing.shaped_random((2,3), cupy)
      #     with self.assertRaises(ValueError):
      #         a.sort()
  
      # Test dtypes
  
      # TODO(takagi): Test 'bqBHILQ' dtypes
      # TODO(takagi): Test numpy.float16
      # TODO(takagi): Test numpy.bool_
      @testing.for_dtypes(['h', 'i', 'l', numpy.float32, numpy.float64])
      @testing.numpy_cupy_allclose()
      def test_sort_dtype(self, xp, dtype):
          a = testing.shaped_random((10,), xp, dtype)
          a.sort()
          return a
  
      # Test views
  
      def test_sort_view(self):
          a = testing.shaped_random((10,), cupy)[::]  # with making a view
          with self.assertRaises(ValueError):
              a.sort()
  
subject: Remove unnecessary comma.