Hey folks, it's Sydney from the Python open source team at Langchain, and I'm super excited to bring you our next edition of our middleware series. So, model outages can be incredibly unpredictable, but luckily with Langchain's new model fallback middleware, the reliability of your application doesn't have to be. Whatever the reason may be that your model calls are no longer working, that could be a provider outage or an API quota exhausted, lingchain's model fallback middleware can help you fall back to a ...