code: def test5(self):
      a1 = SortOp("mergesort", [])
      a2 = SortOp("quicksort", [])
  
      # All the below should give true
      assert a1 != a2
      assert a1 == SortOp("mergesort", [])
      assert a2 == SortOp("quicksort", [])
  
imports: from functools import reduce
  from itertools import chain, product
  import numpy
  import pytest
  import pytensor
  from pytensor.compile.mode import Mode
  from pytensor.tensor.sort import ArgSortOp, SortOp, TopKOp, argsort, argtopk, sort, topk, topk_and_argtopk
  from pytensor.tensor.type import dmatrix, dvector, float_dtypes, integer_dtypes, lscalar, matrix, scalar, tensor, vector
  from tests import unittest_tools
label_desc: Use image node_id 6 for calling the TestSort obj's underlying member method code with example usage: obj.test5() without return types