While experimenting with evaluator testing in LangSmith, I ran into a subtle but impactful issue that highlights how small implementation details can break otherwise standard behavior.

The Setup

I created a “Correctness” evaluator for my model. The model requires a specific configuration, incl...

Hi,

If you've recently installed Jupyter-AI and tried interacting with popular providers like OpenAI, Ollama, or others, you may have noticed that a minimal installation(pip install jupyter-ai) is missing some necessary packages.

At this point, you have two options:

• Install the full versio...

Requirements:

pip install langgraph langchain_ollama 

Here is the complete code for building a chatbot that uses Ollama as its provider:

from typing import Annotated
from typing_extensions import TypedDict
from langgraph.graph import StateGraph, START, END
from langgraph.graph.message import a...