code: def read_file(path):
      with open(path) as f:
          return f.read()
  
imports: import os
  import posixpath
  from unittest import mock
  import pytest
  from mlflow.exceptions import MlflowException
  from mlflow.store.artifact.artifact_repository_registry import get_artifact_repository
  from mlflow.store.artifact.mlflow_artifacts_repo import MlflowArtifactsRepository
  from mlflow.tracking._tracking_service.utils import _get_default_host_creds
label_desc: Use image node_id 11 for calling a global function with example usage: read_file(path) and returns: f