code: def _inner_open(self):
      pass
  
file_path: nni/nni/tools/trial_tool/aml_channel.py
imports: from azureml.core.run import Run
  from .base_channel import BaseChannel
  from .log_utils import LogType, nni_log
label_desc: Use image node_id 2 for calling the AMLChannel obj's underlying member method code with example usage: obj._inner_open() without return types