code: def find_version(*file_paths):
      version_file = read(*file_paths)
      version_match = re.search(
          r"^__version__ = ['\"]([^'\"]*)['\"]",
          version_file,
          re.M,
      )
      if version_match:
          return version_match.group(1)
  
      raise RuntimeError("Unable to find version string.")
  
file_path: PGL/legacy/setup.py
imports: import os
  import sys
  import re
  import codecs
  from setuptools import setup, find_packages
  from setuptools import Extension
  from setuptools import dist
  from setuptools.command.build_ext import build_ext
label_desc: Use image node_id 2 for calling a global function with example usage: find_version() and returns: version_match