code: def test_reader_roundtrip(self):
      schema = pa.schema([("ints", pa.int64()), ("strs", pa.string())])
      data = [
          pa.record_batch(
              [[1, 2, 3, None], ["a", "bc", None, ""]], schema=schema
          ),
          pa.record_batch(
              [[None, 4, 5, 6], [None, "", "def", "g"]], 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 20 for calling the TestPythonIntegration obj's underlying member method code with example usage: obj.test_reader_roundtrip() without return types