code: def scan_setup_py() -> int:
      """Validate the contents of setup.py against Versioneer's expectations."""
      found = set()
      setters = False
      errors = 0
      with open("setup.py", "r") as f:
          for line in f.readlines():
              if "import versioneer" in line:
                  found.add("import")
              if "versioneer.get_cmdclass()" in line:
                  found.add("cmdclass")
              if "versioneer.get_version()" in line:
                  found.add("get_version")
              if "versioneer.VCS" in line:
                  setters = True
              if "versioneer.versionfile_source" in line:
                  setters = True
      if len(found) != 3:
          print("")
          print(
              "Your setup.py appears to be missing some important items"
          )
          print(
              "(but I might be wrong). Please make sure it has something"
          )
          print("roughly like the following:")
          print("")
          print(" import versioneer")
          print(" setup( version=versioneer.get_version(),")
          print("        cmdclass=versioneer.get_cmdclass(),  ...)")
          print("")
          errors += 1
      if setters:
          print("You should remove lines like 'versioneer.VCS = ' and")
          print(
              "'versioneer.versionfile_source = ' . This configuration"
          )
          print(
              "now lives in setup.cfg, and should be removed from setup.py"
          )
          print("")
          errors += 1
      return errors
  
imports: import configparser
  import errno
  import json
  import os
  import re
  import subprocess
  import sys
  from pathlib import Path
  from typing import Any, Callable, cast, Dict, List, Optional, Tuple, Union
  from typing import NoReturn
  import functools
label_desc: Use image node_id 27 for calling a global function with example usage: scan_setup_py() and returns: errors