code: def get_version():
      # find the version number from caer/_meta__.py
      f = os.path.abspath("../../caer/_meta.py")
      setup_lines = open(f).readlines()
      version = None
      for l in setup_lines:
          if l.startswith("version"):
              version = l.split("=")[-1]
              break
      return version
  
imports: import os
  import sys
  import shutil
  import sphinx_rtd_theme
label_desc: Use image node_id 1 for calling a global function with example usage: get_version() and returns: version