Missing langgraph.store.base

smannathan commented 3 hours ago

Checked other resources

[X] I added a very descriptive title to this issue.
[X] I searched the LangGraph/LangChain documentation with the integrated search.
[X] I used the GitHub search to find a similar question and didn't find it.
[X] I am sure that this is a bug in LangGraph/LangChain rather than my code.
[X] I am sure this is better as an issue rather than a GitHub discussion, since this is a LangGraph bug and not a design question.

Example Code

N/A

Error Message and Stack Trace (if applicable)

"/opt/homebrew/lib/python3.10/site-packages/langgraph/checkpoint/serde/jsonplus.py", line 29, in <module>
    from langgraph.store.base import Item
ModuleNotFoundError: No module named 'langgraph.store.base'

Description

I encountered a ModuleNotFoundError when running a script that imports langgraph.store.base. It seems that the module is missing from the installed package, even though langgraph is installed.

System Info

langgraph==0.2.29 langgraph-checkpoint==1.0.13

vbarda commented 2 hours ago

@smannathan could you try creating a virtual environment from scratch and see if the issue persists?

fletchertyler914 commented 2 hours ago

Just updated to the latest release (hoping it would fix an issue with passing state to tools and getting a pydantic validation error), and hit this on top of it.

EDIT: @vbarda that seemed to do the trick. Killed my VE and recreated and it worked as expected.

vbarda commented 2 hours ago

Just updated to the latest release (hoping it would fix an issue with passing state to tools and getting a pydantic validation error), and hit this on top of it.

EDIT: @vbarda that seemed to do the trick. Killed my VE and recreated and it worked as expected.

great, happy it's working. we're also pushing a quick fix in the next update to make sure folks don't need to make a new venv

smannathan commented 2 hours ago

@smannathan could you try creating a virtual environment from scratch and see if the issue persists?

I updated the requirements.txt to install checkpoint first and then langgraph.

langgraph-checkpoint==1.0.13 langgraph==0.2.29

It is working fine now.

vbarda commented 2 hours ago

hi all -- the issue is fixed in langgraph-checkpoint==1.0.14 and doesn't require clearing the venv. let me know if you run into any issues

langchain-ai / langgraph