code: def _ensure_default_ipc_read_options(options):
      if options and not isinstance(options, IpcReadOptions):
          raise TypeError(
              "expected IpcReadOptions, got {}".format(type(options))
          )
      return options or IpcReadOptions()
  
imports: import os
  import pyarrow
  from pyarrow.lib import IpcReadOptions, IpcWriteOptions, ReadStats, WriteStats, Message, MessageReader, RecordBatchReader, _ReadPandasMixin, MetadataVersion, read_message, read_record_batch, read_schema, read_tensor, write_tensor, get_record_batch_size, get_tensor_size
  import pyarrow.lib
label_desc: Use image node_id 2 for calling a global function with example usage: _ensure_default_ipc_read_options(options) and returns: unknown