code: def _find_node_files():
      if not os.path.exists("nni_node"):
          if (
              release
              and "build_ts" not in sys.argv
              and "clean" not in sys.argv
          ):
              sys.exit(
                  'ERROR: To build a release version, run "python setup.py build_ts" first'
              )
          return []
      files = []
      for dirpath, dirnames, filenames in os.walk("nni_node"):
          for filename in filenames:
              files.append(
                  os.path.join(dirpath[len("nni_node/") :], filename)
              )
      if "__init__.py" in files:
          files.remove("__init__.py")
      return sorted(files)
  
imports: from distutils.cmd import Command
  from distutils.command.build import build
  from distutils.command.clean import clean
  import glob
  import os
  import shutil
  import sys
  import setuptools
  from setuptools.command.develop import develop
  import setup_ts
label_desc: Use image node_id 7 for calling a global function with example usage: _find_node_files() and returns: sorted, list