  
  def get_view_description(cls, html=False):
      """
      Return a description for an `APIView` class or `@api_view` function.
      If a VIEW_DESCRIPTION_FUNCTION is set in settings the value of that will be used
          if that value is "falsy" then the normal formatting will be used.
      """
      if api_settings.VIEW_DESCRIPTION_FUNCTION:
          description = api_settings.VIEW_DESCRIPTION_FUNCTION(cls)
          if description:
              return markup_description(description)
 
</s> remove     if api_settings.VIEW_DESCRIPTION_FUNCTION:
        description = api_settings.VIEW_DESCRIPTION_FUNCTION(cls)
        if description:
            return markup_description(description)

    description = cls.__doc__ or ''
    description = _remove_leading_indent(smart_text(description))
    if html:
        return markup_description(description)
    return description
 </s> add     return api_settings.VIEW_DESCRIPTION_FUNCTION(cls) </s> remove     if api_settings.VIEW_NAME_FUNCTION:
        name = api_settings.VIEW_NAME_FUNCTION(cls, suffix)
        if name:
            return name

    name = cls.__name__
    name = _remove_trailing_string(name, 'View')
    name = _remove_trailing_string(name, 'ViewSet')
    name = _camelcase_to_spaces(name)
    if suffix:
        name += ' ' + suffix
    return name
 </s> add     return api_settings.VIEW_NAME_FUNCTION(cls, suffix) </s> remove     If a VIEW_NAME_FUNCTION is set in settings the value of that will be used
        if that value is "falsy" then the normal formatting will be used.
 </s> add  </s> remove     'VIEW_NAME_FUNCTION': None,
    'VIEW_DESCRIPTION_FUNCTION': None,
 </s> add     'VIEW_NAME_FUNCTION': 'rest_framework.utils.formatting.view_name',
    'VIEW_DESCRIPTION_FUNCTION': 'rest_framework.utils.formatting.view_description',
  
  def get_view_description(cls, html=False):
      """
      Return a description for an `APIView` class or `@api_view` function.


      """
      if api_settings.VIEW_DESCRIPTION_FUNCTION:
          description = api_settings.VIEW_DESCRIPTION_FUNCTION(cls)
          if description:
              return markup_description(description)
keep keep keep keep replace replace keep keep keep keep keep
 Settings now have default functions

Updated the setting to have a default function. 
rest_framework/utils/formatting.py