code: def fit(self, *args, **kwargs) -> None:
      ...
  
imports: from abc import ABC, abstractmethod
  import os
  import copy
  import json
  import numpy
  from typing import Dict, Any, Optional, Union
  from typing_extensions import Protocol, runtime_checkable
  from alibi_detect.version import __version__
label_desc: Use image node_id 1 for calling the FitMixin obj's underlying member method code with example usage: obj.fit() without return types