code: def test_filter(self):
      rng_type = random_generator_type
  
      rng = np.random.default_rng()
      assert rng_type.filter(rng) is rng
  
      with pytest.raises(TypeError):
          rng_type.filter(1)
  
      rng_dict = rng.__getstate__()
  
      assert rng_type.is_valid_value(rng_dict) is False
      assert rng_type.is_valid_value(rng_dict, strict=False)
  
      rng_dict["state"] = {}
  
      assert rng_type.is_valid_value(rng_dict, strict=False) is False
  
      rng_dict = {}
      assert rng_type.is_valid_value(rng_dict, strict=False) is False
  
file_path: pytensor/tests/tensor/random/test_type.py
imports: import pickle
  import numpy
  import pytest
  from pytensor import shared
  from pytensor.compile.ops import ViewOp
  from pytensor.tensor.random.type import RandomGeneratorType, RandomStateType, random_generator_type, random_state_type
label_desc: Use image node_id 3 for calling the TestRandomGeneratorType obj's underlying member method code with example usage: obj.test_filter() without return types