code: def _default_cache_key():
      assert False
  
imports: import functools
  import types
  import warnings
  import weakref
  from collections.abc import Callable
  import jax
  import jax.tree_util
  from jaxtyping import PyTree
  from ._caches import internal_caches
  from ._module import Module
label_desc: Use image node_id 5 for calling a global function with example usage: _default_cache_key() without return types