code: def read_info_version():
      """Read version information from INFO file"""
      try:
          with open(INFO_FILE, "r") as contents:
              return json.load(contents).get("metaflow_version")
      except IOError:
          return None
  
file_path: metaflow/metaflow/metaflow_version.py
imports: from subprocess import check_output, CalledProcessError
  from os import path, name, devnull, environ, listdir
  import json
  from metaflow import CURRENT_DIRECTORY, INFO_FILE
label_desc: Use image node_id 3 for calling a global function with example usage: read_info_version() and returns: json, None