code: def is_github_actions():
      return "GITHUB_ACTIONS" in os.environ
  
imports: import cgi
  import os
  import pathlib
  import subprocess
  import tempfile
  from collections import namedtuple
  import pytest
  import requests
  import mlflow
  from mlflow import MlflowClient
  from mlflow.artifacts import download_artifacts
  from tests.helper_functions import LOCALHOST, get_safe_port
  from tests.tracking.integration_test_utils import _await_server_up_or_die
label_desc: Use image node_id 12 for calling a global function with example usage: is_github_actions() and returns: unknown