code: def setUp(self):
      super().setUp()
      self.chatbot = ChatBot(**test_settings.CHATTERBOT)
  
imports: from chatterbot import ChatBot
  from django.test import TransactionTestCase
  from tests_django import test_settings
label_desc: Use image node_id 1 for calling the ChatterBotTestCase obj's underlying member method code with example usage: obj.setUp() without return types