code: def test_serialize_range_index():
      index = cudf.core.index.RangeIndex(10, 20)
      outindex = cudf.core.index.RangeIndex.deserialize(
          *index.serialize()
      )
      assert_eq(index, outindex)
  
imports: import pickle
  import msgpack
  import numpy
  import pandas
  import pytest
  import cudf
  from cudf.testing import _utils
  from cudf.testing._utils import assert_eq
label_desc: Use image node_id 6 for calling a global function with example usage: test_serialize_range_index() without return types