code: def _issubclass(a: Any, b: Any) -> bool:
      """Determines if ``a`` is a subclass of ``b``.
  
      Similar to issubclass, but returns False instead of an exception if `a` is not
      a class.
      """
      try:
          return issubclass(a, b)
      except TypeError:
          return False
  
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 12 for calling a global function with example usage: _issubclass(a, b) and returns: issubclass, False