code: def get_value(self):
      if sys.platform == "darwin":
          raise NotImplementedError(
              "OSX does not implement sem_getvalue"
          )
      return self._semlock._get_value()
  
imports: import os
  import sys
  import tempfile
  import threading
  import _multiprocessing
  from time import time
  from multiprocessing import process, util
  from multiprocessing.context import assert_spawning
  from .None import resource_tracker
label_desc: Use image node_id 2 for calling the Semaphore obj's underlying member method code with example usage: obj.get_value() and returns: self