code: def load_json(buffer):
      return json.load(buffer)
  
imports: import io
  import json
  import fsspec
  import pytest
  from datasets import Dataset, DatasetDict, Features, NamedSplit, Value
  from datasets.io.json import JsonDatasetReader, JsonDatasetWriter
  from ..utils import assert_arrow_memory_doesnt_increase, assert_arrow_memory_increases
label_desc: Use image node_id 12 for calling a global function with example usage: load_json(buffer) and returns: json