Sort of. You'd only know based on the interpreter you were using. You wouldn't know unless you tested other Python interpreters.
For example, if you wrote something in pypy it would be ordered versus cpython.
For example, if you wrote something in pypy it would be ordered versus cpython.
And that's sort of the problem. If it was broken, you'd know it and you'd fix/rearchitect it. Instead, it will appear to work.