code: def __init__(
      self,
      running_stage: Optional[RunningStage] = None,
  ):
      super().__init__()
  
      self._running_stage = running_stage
  
file_path: lightning-flash/src/flash/core/data/properties.py
imports: from typing import Optional
  from flash.core.utilities.stages import RunningStage
label_desc: Use image node_id 1 to create a new Properties object  with example: obj = Properties(running_stage)