code: def make_ipc_stream_reader(schema, batches):
      return pa.ipc.open_stream(make_serialized(schema, batches))
  
imports: import contextlib
  import ctypes
  import gc
  import pyarrow
  import pytest
label_desc: Use image node_id 21 for calling a global function with example usage: make_ipc_stream_reader(schema, batches) and returns: pa