class_docstr: A handle that can attach/detach a hook.
class_docstr_tok: ["A","handle","that","can","attach\/detach","a","hook","."]
code: def attach(self, hooks_dict, hook):
      assert (
          not self._hooks_dict_ref
      ), "The same handle cannot be attached twice."
      self._id = id(hook)
      hooks_dict[self._id] = hook
      self._hooks_dict_ref = weakref.ref(hooks_dict)
  
imports: import os
  import sys
  import hashlib
  import uuid
  import warnings
  import collections
  import weakref
  import requests
  import numpy
  from ..None import ndarray
  from ..util import is_np_shape, is_np_array, TemporaryDirectory
  from ..None import numpy
label_desc: Use image node_id 2 for calling the HookHandle obj's underlying member method code with example usage: obj.attach(hooks_dict, hook) without return types