code: def load_schema_file(path: Optional[str] = None) -> Dict:
      path = path or RELEASE_TEST_SCHEMA_FILE
      with open(path, "rt") as fp:
          return json.load(fp)
  
imports: import copy
  import json
  import os
  import re
  from typing import Dict, List, Optional, Tuple, Any
  import jsonschema
  import yaml
  from ray_release.test import Test, TestDefinition
  from ray_release.anyscale_util import find_cloud_by_name
  from ray_release.bazel import bazel_runfile
  from ray_release.exception import ReleaseTestCLIError, ReleaseTestConfigError
  from ray_release.logger import logger
  from ray_release.util import DeferredEnvVar, deep_update
label_desc: Use image node_id 4 for calling a global function with example usage: load_schema_file(path) and returns: json