code: def invalidate_cache(self, cache_name):
      if self._caches.get(cache_name):
          del self._caches[cache_name]
  
imports: import os
  from collections import defaultdict
  from weakref import WeakValueDictionary
  from sqlalchemy import create_engine
  from sqlalchemy.orm import sessionmaker, scoped_session
  from aim.storage.migrations.utils import upgrade_database
  from aim.storage.structured.sql_engine.factory import ModelMappedFactory
  from aim.storage.types import SafeNone
  from aim.web.configs import AIM_LOG_LEVEL_KEY
label_desc: Use image node_id 10 for calling the DB obj's underlying member method code with example usage: obj.invalidate_cache(cache_name) without return types