code: def __init__(self, operation: str, workflow_id: str):
      self.message = (
          f"{operation} couldn't be completed because "
          f"Workflow[id={workflow_id}] is still running or pending."
      )
      super().__init__(self.message)
  
imports: from ray.util.annotations import PublicAPI
  from ray.workflow.common import TaskID
label_desc: Use image node_id 1 to create a new WorkflowStillActiveError object from inherited base classes: WorkflowError with example: obj = WorkflowStillActiveError(operation, workflow_id)