class_docstr: Accelerator for XLA devices, normally TPUs.
  
  .. warning::  Use of this accelerator beyond import and instantiation is experimental.
class_docstr_tok: ["Accelerator","for","XLA","devices",",","normally","TPUs",".","..","warning",":",":","Use","of","this","accelerator","beyond","import","and","instantiation","is","experimental","."]
code: def teardown(self) -> None:
      pass
  
imports: import functools
  from typing import Any, List, Union
  import torch
  from lightning_utilities.core.imports import RequirementCache
  from typing_extensions import override
  from lightning.fabric.accelerators.accelerator import Accelerator
  from lightning.fabric.accelerators.registry import _AcceleratorRegistry
  from lightning.fabric.utilities.device_parser import _check_data_type
label_desc: Use image node_id 3 for calling the XLAAccelerator obj's underlying member method code with example usage: obj.teardown() without return types