code: def is_available(cls) -> bool:
      if os.environ.get("TPU_NAME", False) is False:
          return False
  
      try:
          from tensorflow.python.distribute.cluster_resolver import (  # noqa: F401
              tpu_cluster_resolver,
          )
          from tensorflow.python.profiler import (
              profiler_client,
          )  # noqa: F401
  
          cls.get_service_addr()
      except (
          ImportError,
          TypeError,
          AttributeError,
          ValueError,
      ):  # Saw type error when iterating paths on colab...
          # TODO: Saw error in sentry where module 'tensorflow.python.pywrap_tensorflow'
          #  has no attribute 'TFE_DEVICE_PLACEMENT_EXPLICIT'
          return False
  
      return True
  
file_path: wandb/wandb/sdk/internal/system/assets/tpu.py
imports: import logging
  import os
  import threading
  from collections import deque
  from typing import TYPE_CHECKING, List, Optional
  from .aggregators import aggregate_mean
  from .asset_registry import asset_registry
  from .interfaces import Interface, Metric, MetricsMonitor
label_desc: Use image node_id 5 for calling the TPU obj's underlying member method code with example usage: obj.is_available(cls) and returns: True, False, False