if self.endpoint_path:
            context += f"\n    {self.endpoint_path}"
        return context

    def __str__(self) -> str:
        message = f"{len(self._errors)} validation error{'s' if len(self._errors) != 1 else ''}:\n"
        for err in self._errors:
            message += f"  {err}\n"
        message += self._format_endpoint_context()
        return message.rstrip()