DOC: stream error in jupyter notebook langgraph_crag_local.ipynb

[AndresRubio]

Issue with current documentation:

langgraph_crag_local.ipynb

in jupyter cell when is called app.stream(inputs):

triggers error for node "retriever" line 1125, in _prepare_next_tasks
val = proc.mapper(val)

TypeError: 'module' object is not callable

val variable in that moment is {}

python = "^3.11"
langchain-community = "^0.0.31"
tiktoken = "^0.6.0"
langchainhub = "^0.1.15"
chromadb = "^0.4.24"
langchain = "^0.1.12"
langgraph = "^0.0.31"
tavily-python = "^0.3.3"
langchain-mistralai = "^0.1.0"

Idea or request for content:

No response

[hinthornw]

Hm - do you run into this issue in versions after 0.0.40?

[AndresRubio]

thanks for the comment

python = "^3.11"
langchain-community = "^0.0.38"
tiktoken = "^0.6.0"
langchainhub = "^0.1.15"
chromadb = "^0.4.24"
langchain = "^0.1.19"
langgraph = "^0.0.48"
tavily-python = "^0.3.3"
langchain-mistralai = "^0.1.6"
gpt4all = "^2.4.0"
docx2txt = "^0.8"

Same result