code: def experiment(self) -> Run:
      if not self._run:
          self._run = Run(
              self._run_hash,
              repo=self._repo_path,
              system_tracking_interval=self._system_tracking_interval,
              capture_terminal_logs=self._capture_terimanl_logs,
          )
      return self._run
  
file_path: aim/aim/sdk/adapters/tensorflow.py
imports: from typing import Optional
  from aim.sdk.run import Run
  from aim.sdk.adapters.keras_mixins import TrackerKerasCallbackMetricsEpochEndMixin
  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