code: def test_explanation():
      exp = Explanation(meta=valid_meta, data=valid_data)
      assert exp.meta == valid_meta
      assert exp.data == valid_data
      assert isinstance(exp, Explanation)
  
      # test that a warning is raised if accessing attributes as dict keys
      with pytest.warns(None) as record:
          _ = exp["anchor"]
      assert len(record) == 1
  
imports: import copy
  import numpy
  import pytest
  from alibi.api.interfaces import Explainer, Explanation, FitMixin
label_desc: Use image node_id 7 for calling a global function with example usage: test_explanation() without return types