code: def _read_version():
      regexp = re.compile(r'^__version__\W*=\W*"([\d.abrc]+)"')
      init_py = os.path.join(
          os.path.dirname(__file__), "torch_optimizer", "__init__.py"
      )
      with open(init_py) as f:
          for line in f:
              match = regexp.match(line)
              if match is not None:
                  return match.group(1)
          raise RuntimeError(
              "Cannot find version in torch_optimizer/__init__.py"
          )
  
imports: import os
  import re
  from setuptools import find_packages, setup
label_desc: Use image node_id 2 for calling a global function with example usage: _read_version() and returns: match