code: def make_batch(self):
      return pa.record_batch(
          [[[1], [], None, [2, 42]]], self.make_schema()
      )
  
imports: import contextlib
  import gc
  import os
  import unittest
  import pyarrow
  from pyarrow.cffi import ffi
label_desc: Use image node_id 3 for calling the BaseTestGoPython obj's underlying member method code with example usage: obj.make_batch() and returns: pa