code: def run(self):
      import subprocess
  
      errno = subprocess.call(
          [sys.executable, "-m", "unittest", "discover"]
      )
      raise SystemExit(errno)
  
imports: from setuptools import setup, Command
  from setuptools.command.build_ext import build_ext
  from sysconfig import get_platform
  from contextlib import redirect_stderr, redirect_stdout
  import os
  import logging
  import platform
  import sys
  import versioneer
label_desc: Use image node_id 3 for calling the TestCommand obj's underlying member method code with example usage: obj.run() without return types