code: def test_eq():
      sd = StructuredDataset(
          df=df,
          label_names=["label"],
          protected_attribute_names=["two"],
      )
      sd2 = sd.copy()
      sd3 = sd.copy(True)
      sd4 = StructuredDataset(
          df=df,
          label_names=["label"],
          protected_attribute_names=["one", "three"],
      )
  
      assert sd == sd2
      assert sd == sd3
      assert sd2 == sd3
      assert sd != sd4
  
imports: import numpy
  import pandas
  from aif360.datasets import StructuredDataset
label_desc: Use image node_id 5 for calling a global function with example usage: test_eq() without return types