langserve

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ChatPromptValueConcrete vs. ChatPromptValue

2

chat langchain returning ChatPromptValue rather than ChatPromptValueConcrete determine how to make sure that we use chat prompt value concrete everywhere otherwise we'll end up with serialization issue

eyurtsev

Can the stream interface exposed by langserve provide an interface for gracefully aborting requests?

1

just as title, our client calls the server-side code of langserve that I wrote. They have a requirement to frequently interrupt a certain stream request and, after interruption, they hope...

oldwinter

Bug: Agent Executor streaming in playground

1

Agent's don't stream correctly in playground:  https://github.com/langchain-ai/langserve/blob/main/examples/agent/server.py Raised here: https://github.com/langchain-ai/langserve/issues/314

eyurtsev

eyurtsev

Add more information error if APIHandler receives a non runnable object.

2

Add more informative error if `APIHandler` receives a non runnable object.

eyurtsev

Feedback should be following upsert logic for a given run rather than creating new feedback every time.

eyurtsev

When using add_routes users are sometimes passing non runnable objects

eyurtsev

Serialization issues with intermediate_steps for AgentExecutor

2

I experimented with a use case in which I initialize an AgentExecutor with an `agent` chain that is a RemoteRunnable. i.e., the client side looks like this: ```python from langchain.agents...

ccurme

Currently langserve[client] fails complaining that fastapi is not installed. We need to add tests to catch this on CI otherwise it's difficult to make sure that the dependencies actually work...

eyurtsev

eyurtsev