code: def test_reader_complex_roundtrip(self):
      schema = pa.schema(
          [
              ("str_dict", pa.dictionary(pa.int8(), pa.string())),
              ("int_list", pa.list_(pa.int64())),
          ]
      )
      dictionary = pa.array(["a", "bc", None])
      data = [
          pa.record_batch(
              [
                  pa.DictionaryArray.from_arrays([0, 2], dictionary),
                  [[1, 2, 3], None],
              ],
              schema=schema,
          ),
          pa.record_batch(
              [
                  pa.DictionaryArray.from_arrays([None, 1], dictionary),
                  [[], [4]],
              ],
              schema=schema,
          ),
      ]
      self.round_trip_reader(schema, data)
  
imports: import decimal
  import gc
  import os
  import sys
  import unittest
  import xml.etree.ElementTree
  import jpype
  import pyarrow
  import pyarrow.ipc
  from pyarrow.cffi import ffi
label_desc: Use image node_id 21 for calling the TestPythonIntegration obj's underlying member method code with example usage: obj.test_reader_complex_roundtrip() without return types