class_docstr: Teacher agent that returns one fixed message.
docstr: Just respond with the sample message for the model agent to respond to.
  
  There's only one "turn" to this conversation.
docstr_tok: ["Just","respond","with","the","sample","message","for","the","model","agent","to","respond","to",".","There","'s","only","one","``","turn","''","to","this","conversation","."]
code: def setup_data(self, path):
      """
      Just respond with the sample message for the model agent to respond to.
  
      There's only one "turn" to this conversation.
      """
      _ = path  # Unused here
      yield {
          "text": "This is a test message.",
          "labels": ["(NONE)"],
      }, True
  
imports: import random
  from abc import ABC, abstractmethod
  from math import floor, log10
  from typing import Dict
  import numpy
  import pytest
  import torch
  from pytest_regressions.data_regression import DataRegressionFixture
  import parlai.utils.testing
  from parlai.core.opt import Opt
  from parlai.core.teachers import register_teacher, DialogTeacher
  from parlai.utils.data import DatatypeHelper
  from parlai.zoo.bart.build import download
  from parlai.zoo.blender.blender_90M import download
label_desc: Use image node_id 2 for calling the FixedMessageTeacher obj's underlying member method code with example usage: obj.setup_data(path) without return types