ChatPromptValueConcrete vs. ChatPromptValue

[eyurtsev]

trafficstars

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]

curl --location --request POST 'https://chat-langchain-backend.langchain.dev/chat/stream_log' \
--header 'Content-Type: application/json' \
--data-raw '{
  "input": {
    "question": "what is a document loader"
  }
}'```

[eyurtsev]

{"content":"what is a document loader","additional_kwargs":{},"type":"human","example":false}]}