code: def test_eq(self):
      assert CGer(True) == CGer(True)
      assert CGer(False) == CGer(False)
      assert CGer(False) != CGer(True)
  
      assert CGer(True) != ScipyGer(True)
      assert CGer(False) != ScipyGer(False)
      assert CGer(True) != Ger(True)
      assert CGer(False) != Ger(False)
  
      # assert that eq works for non-CGer instances
      assert CGer(False) is not None
      assert CGer(True) is not None
  
imports: from warnings import warn
  import numpy
  import pytest
  import pytensor
  import pytensor.tensor
  from pytensor.misc.safe_asarray import _asarray
  from pytensor.tensor.basic import AllocEmpty
  from pytensor.tensor.blas import Ger
  from pytensor.tensor.blas_c import CGemv, CGer, check_force_gemv_init
  from pytensor.tensor.blas_scipy import ScipyGer
  from pytensor.tensor.type import dmatrix, dvector, matrix, scalar, tensor, vector
  from tests import unittest_tools
  from tests.tensor.test_blas import BaseGemv, TestBlasStrides
  from tests.unittest_tools import OptimizationTestMixin
label_desc: Use image node_id 6 for calling the TestCGer obj's underlying member method code with example usage: obj.test_eq() without return types