code: def read_json(file, tmp):
      with open(os.path.join(tmp, file)) as f:
          return json.load(f)
  
file_path: sagemaker-python-sdk/tests/integ/test_horovod_mx.py
imports: from __future__ import absolute_import
  import json
  import os
  import pytest
  import sagemaker.utils
  import tests.integ
  from tests.integ.s3_utils import extract_files_from_s3
  from sagemaker.mxnet import MXNet
  from tests.integ import timeout
  from tests.integ.utils import gpu_list, retry_with_instance_list
label_desc: Use image node_id 3 for calling a global function with example usage: read_json(file, tmp) and returns: json