code: def cythonize_extensions(top_path, config):
      try:
          from Cython.Build import cythonize
      except ModuleNotFoundError as e:
          raise ModuleNotFoundError(
              "Please install Cython in order to build a lightning from source."
          ) from e
  
      config.ext_modules = cythonize(
          config.ext_modules, compiler_directives={"language_level": 3}
      )
  
imports: import sys
  from numpy.distutils.core import setup
  from numpy.distutils.misc_util import Configuration
label_desc: Use image node_id 1 for calling a global function with example usage: cythonize_extensions(top_path, config) without return types