code: def __init__(self):
      self._session_depth = 0
      self._session = None
  
imports: from aim.storage.structured.entities import ObjectFactory, Run, Experiment, Tag, RunCollection, ExperimentCollection, TagCollection
  from aim.storage.structured.sql_engine.entities import ModelMappedRun, ModelMappedExperiment, ModelMappedTag
  from typing import List
  from datetime import datetime
label_desc: Use image node_id 1 to create a new ModelMappedFactory object from inherited base classes: ObjectFactory with example: obj = ModelMappedFactory()