class_docstr: This is an example of how to create a publisher. This publisher performs no
  publishing. In your own publisher, you would want to have `validate()` performs
  some publishing.
code: def do_publish(
      self,
      model_manager: ModelManager,
      training_output: RLTrainingOutput,
      setup_data: Optional[Dict[str, bytes]],
      recurring_workflow_ids: ModuleNameToEntityId,
      child_workflow_id: int,
      recurring_period: Optional[RecurringPeriod],
  ) -> NoPublishingResults:
      return NoPublishingResults(success=True)
  
file_path: ReAgent/reagent/publishers/no_publishing.py
imports: from typing import Dict, Optional
  from reagent.core.dataclasses import dataclass
  from reagent.core.result_types import NoPublishingResults
  from reagent.model_managers.model_manager import ModelManager
  from reagent.publishers.model_publisher import ModelPublisher
  from reagent.workflow.types import ModuleNameToEntityId, RecurringPeriod, RLTrainingOutput
label_desc: Use image node_id 1 for calling the NoPublishing obj's underlying member method code with example usage: obj.do_publish(model_manager, training_output, setup_data, recurring_workflow_ids, child_workflow_id, recurring_period) and returns: NoPublishingResults