code: def get_docs_url():
      return DOCS_URL
  
file_path: caer/setup.py
imports: import sys
  import platform
  from setuptools import setup, find_packages
  from distutils.command.build_ext import build_ext
  from configparser import ConfigParser
  import subprocess
  import os
label_desc: Use image node_id 4 for calling a global function with example usage: get_docs_url() and returns: DOCS_URL