docs: def render(self, name, value, attrs=None):
          """Override the render() method to replace value with our current values
  
          This approach is based on the approach that Django's PasswordInput
          widget uses to ensure that passwords are not re-rendered in forms,
          except instead of prohibiting initial values we set them to those for
          our generated captcha.
          """
          value = self._values
          return super().render(name, value, attrs)