code: def get_current_pod_worker_count() -> Optional[int]:
      """Count the number of workers associated with the TPU pod that the worker belongs to.
      Returns:
        int: the total number of workers in the TPU pod. Returns None if the worker is not
          part of a TPU pod.
      """
      return TPUAcceleratorManager.get_num_workers_in_current_tpu_pod()
  
imports: from typing import Optional
  from ray._private.accelerators import TPUAcceleratorManager
  from ray.util.annotations import PublicAPI
label_desc: Use image node_id 2 for calling a global function with example usage: get_current_pod_worker_count() and returns: TPUAcceleratorManager