text: 
  class BaseDevelopmentConfig:
      DEBUG = True
      TESTING = True
      PLUGINS_BLUEPRINT = 'plugins'
      PLUGINS_DIRECTORY = 'plugins'
      PLUGINS_EXCLUDES_DIRECTORY = [
          '__pycache__',
          'should-not-be-imported'
      ]
  
  
  class InvalidPluginImportConfig(BaseDevelopmentConfig):
      PLUGINS_EXCLUDES_DIRECTORY = [
          '__pycache__'
      ]
  
  
  class NonExistDirectoryConfig(BaseDevelopmentConfig):
      PLUGINS_DIRECTORY = 'non_exist_plugin_directory'
  