code: def experiment(self) -> Run:
      if self._run is not None:
          return self._run
  
file_path: aim/aim/sdk/adapters/keras_tuner.py
imports: from typing import Optional, List
  from aim.sdk.run import Run
  from aim.ext.resource.configs import DEFAULT_SYSTEM_TRACKING_INT
label_desc: Use image node_id 2 for calling the AimCallback obj's underlying member method code with example usage: obj.experiment() and returns: self