code: def make_schema(self):
      return pa.schema(
          [("ints", pa.list_(pa.int32()))],
          metadata={b"key1": b"value1"},
      )
  
imports: import contextlib
  import gc
  import os
  import unittest
  import pyarrow
  from pyarrow.cffi import ffi
label_desc: Use image node_id 2 for calling the BaseTestGoPython obj's underlying member method code with example usage: obj.make_schema() and returns: pa