code: def test_large_sort(self):
      tuples = [(i, i + 1) for i in range(0, 1500, 2)]
      self.assert_sort(tuples)
  
imports: from sqlalchemy import exc
  from sqlalchemy.testing import assert_raises
  from sqlalchemy.testing import eq_
  from sqlalchemy.testing import fixtures
  from sqlalchemy.testing.util import conforms_partial_ordering
  from sqlalchemy.util import topological
label_desc: Use image node_id 12 for calling the DependencySortTest obj's underlying member method code with example usage: obj.test_large_sort() without return types