class_docstr: The API that creates an empty module for later mutations.
  For advanced usages only.
class_docstr_tok: ["The","API","that","creates","an","empty","module","for","later","mutations",".","For","advanced","usages","only","."]
code: def __init__(self, *, label: str, **kwargs):
      super().__init__()
      self.label = label
      self.kwargs = kwargs
  
imports: import functools
  import warnings
  from typing import Any, Iterator, List, Optional, Dict, Union, Tuple, cast
  from typing_extensions import Literal
  import torch
  import torch.nn
  from nni.mutable import Categorical, CategoricalMultiple, Sample, SampleValidationError, ensure_frozen
  from .base import MutableModule, recursive_freeze
label_desc: Use image node_id 1 to create a new MutationAnchor object from inherited base classes: MutableModule with example: obj = MutationAnchor()