code: def coerce(self, value, includes=None, errors=None, resources=None, default_locale='en-US', locale=None):
          
  
          if includes is None:
              includes = []
          if errors is None:
              errors = []
  
          return self._coerce_block(
              value,
              includes=includes,
              errors=errors,
              resources=resources,
              default_locale=default_locale,
              locale=locale
          )
docs: Coerces Rich Text properly.