code: def read_version_string(version_file):
      for line in read_text(version_file).splitlines():
          if line.startswith("__version__"):
              delim = '"' if '"' in line else "'"
              return line.split(delim)[1]
      else:
          raise RuntimeError("Unable to find version string.")
  
imports: import os.path
  from setuptools import setup, find_packages
  import codecs
label_desc: Use image node_id 2 for calling a global function with example usage: read_version_string(version_file) and returns: line