code: def ismoclassifier(model):
      return isinstance(
          extract_relevant(model), base.MultiLabelClassifier
      )
  
file_path: river/river/utils/inspect.py
imports: from __future__ import annotations
  import inspect
  from river import base
label_desc: Use image node_id 7 for calling a global function with example usage: ismoclassifier(model) and returns: isinstance