docs: def fetch(args: List[str], env: Dict[str, str] = None,
            encoding: str = sys.getdefaultencoding()) -> str:
      """
      Run a command and returns its stdout.
  
      Args:
          args: the command-line arguments
          env: the operating system environment to use
          encoding: the encoding to use for ``stdout``
  
      Returns:
          the command's ``stdout`` output
  
      """
      stdout, _ = run(args, env=env, capture_stdout=True,
                      echo_stdout=False, encoding=encoding)
      log.debug(stdout)
      return stdout