code: def canonicalize_dtype(
      dtype: Any, allow_extended_dtype: bool = False
  ) -> DType | ExtendedDType:
      ...
  
imports: from __future__ import annotations
  import abc
  import builtins
  import functools
  from typing import cast, overload, Any, Literal, Union
  import warnings
  import ml_dtypes
  import numpy
  from jax._src import config
  from jax._src.typing import DType, DTypeLike
  from jax._src.util import set_module
  from jax._src import traceback_util
label_desc: Use image node_id 7 for calling a global function with example usage: canonicalize_dtype(dtype, allow_extended_dtype) without return types