old_contents: import logging
  import time
  from enum import Enum
  from threading import Thread
  from typing import NewType
  
  import _thread
  from robot.board import Board
  
  Zone = NewType('Zone', int)
  
  LOGGER = logging.getLogger(__name__)
  
  
  def kill_after_delay(timeout_seconds):
      """
      Interrupts main process after the given delay.
      """
  
      end_time = time.time() + timeout_seconds
  
      def worker():
          while time.time() < end_time:
              remaining = end_time - time.time()
              time.sleep(max(remaining, 0.01))
  
          LOGGER.info("Timeout %rs expired: Game over!", timeout_seconds)
  
          # Interrupt the main thread to kill the user code
          _thread.interrupt_main()  # type: ignore
  
      worker_thread = Thread(target=worker, daemon=True)
      worker_thread.start()
      return worker_thread
  
  
  class GameMode(Enum):
      """Possible modes the robot can be in."""
  
      COMPETITION = 'competition'
      DEVELOPMENT = 'development'
  
  
  class GameState(Board):
      """A description of the initial game state the robot is operating under."""
  
      @property
      def zone(self) -> Zone:
          """
          The zone in which the robot starts the match.
  
          This is configured by inserting a competition zone USB stick into the
          robot.
  
          :return: zone ID the robot started in (0-3)
          """
          return self._send_and_receive({})['zone']
  
      @property
      def mode(self) -> GameMode:
          """
          :return: The ``GameMode`` that the robot is currently in.
          """
          value = self._send_and_receive({})['mode']
          return GameMode(value)
  
new_contents: import logging
  import signal
  from enum import Enum
  from typing import NewType
  
  from robot.board import Board
  
  Zone = NewType('Zone', int)
  
  LOGGER = logging.getLogger(__name__)
  
  
  def timeout_handler(signum, stack):
      """
      Handle the `SIGALRM` to kill the current process.
      """
      raise SystemExit("Timeout expired: Game Over!")
  
  
  def kill_after_delay(timeout_seconds):
      """
      Interrupts main process after the given delay.
      """
  
      signal.signal(signal.SIGALRM, timeout_handler)
      signal.alarm(timeout_seconds)
  
  
  class GameMode(Enum):
      """Possible modes the robot can be in."""
  
      COMPETITION = 'competition'
      DEVELOPMENT = 'development'
  
  
  class GameState(Board):
      """A description of the initial game state the robot is operating under."""
  
      @property
      def zone(self) -> Zone:
          """
          The zone in which the robot starts the match.
  
          This is configured by inserting a competition zone USB stick into the
          robot.
  
          :return: zone ID the robot started in (0-3)
          """
          return self._send_and_receive({})['zone']
  
      @property
      def mode(self) -> GameMode:
          """
          :return: The ``GameMode`` that the robot is currently in.
          """
          value = self._send_and_receive({})['mode']
          return GameMode(value)
  
subject: Replace thread killing with SIGALRM