code: def release(self):
      with self._inner_lock:
          if self._pending_threads:
              release_event = self._pending_threads.popleft()
              release_event.set()
  
          self._lock.release()
  
imports: import threading
  import collections
label_desc: Use image node_id 3 for calling the FIFOLock obj's underlying member method code with example usage: obj.release() without return types