code: def test_instance_check(self):
      sampler = NonAbstractSampler(sample_shape=torch.Size([4]))
      # Same type:
      sampler._instance_check(sampler)
      # Different type:
      other = OtherSampler(sample_shape=torch.Size([4]))
      with self.assertRaisesRegex(RuntimeError, "an instance of"):
          sampler._instance_check(base_sampler=other)
  
file_path: botorch/test/sampling/test_base.py
imports: import torch
  from botorch.exceptions.errors import InputDataError
  from botorch.sampling.base import MCSampler
  from botorch.utils.testing import BotorchTestCase, MockPosterior
label_desc: Use image node_id 7 for calling the TestBaseMCSampler obj's underlying member method code with example usage: obj.test_instance_check() without return types