Method _diff

lib/sqlalchemy/sql/cache_key.py:515–516

(self, other: CacheKey)

                break

    def _diff(self, other: CacheKey) -> str:
        return ", ".join(self._whats_different(other))

    def __str__(self) -> str:
        stack: List[Union[Tuple[Any, ...], HasCacheKey]] = [self.key]