code: def get_env_module():
      var_name = "DETECTRON2_ENV_MODULE"
      return var_name, os.environ.get(var_name, "<not set>")
  
file_path: detectron2/detectron2/utils/collect_env.py
imports: import importlib
  import numpy
  import os
  import re
  import subprocess
  import sys
  from collections import defaultdict
  import PIL
  import torch
  import torchvision
  from tabulate import tabulate
label_desc: Use image node_id 2 for calling a global function with example usage: get_env_module() and returns: var_name,  os