Merge pull request #466 from ansforge/hotfix/chatbot-downgrade-packages

Hotfix: librairie langchain utilisé  dans le chatbot

Author: Clemsazert

tools/chatbot/README.md

@@ -14,11 +14,13 @@ This project uses [uv](https://docs.astral.sh/uv/) for dependency management.
 ### Installation
 
 1. Install uv if you haven't already:
+
    ```bash
    curl -LsSf https://astral.sh/uv/install.sh | sh
    ```
 
 2. Install dependencies:
+
    ```bash
    uv sync
    ```
@@ -33,7 +35,7 @@ uv run python chatbot.py
 
 Create a `.env` file with the following variables:
 
-```
+```txt
 SLACK_APP_TOKEN=xapp-...
 SLACK_BOT_TOKEN=xoxb-...
 OPENAI_API_KEY=sk-...
@@ -58,13 +60,13 @@ uv run pytest
 Format code:
 
 ```bash
-uv run black .
+uv run ruff format .
 ```
 
 Lint code:
 
 ```bash
-uv run flake8 .
+uv run ruff check .
 ```
 
 ### Docker
@@ -74,4 +76,4 @@ Build and run with Docker:
 ```bash
 docker build -t samu-hub-chatbot .
 docker run -d --env-file .env samu-hub-chatbot
-```
+```

tools/chatbot/chatbot.py

@@ -8,8 +8,8 @@
 
 from langchain_community.document_loaders import PyPDFLoader
 
-from langchain.chains import create_retrieval_chain
-from langchain.chains.combine_documents import create_stuff_documents_chain
+from langchain_classic.chains import create_retrieval_chain
+from langchain_classic.chains.combine_documents import create_stuff_documents_chain
 from langchain_core.prompts import ChatPromptTemplate
 
 import os

tools/chatbot/pyproject.toml

@@ -5,7 +5,6 @@ description = "SAMU Hub Santé Slack chatbot"
 requires-python = ">=3.11"
 dependencies = [
     "slack-bolt~=1.26.0",
-    "langchain~=1.0.3",
     "langchain-openai~=1.0.1",
     "langchain-community~=0.4.1",
     "langchain-core~=1.0.2",
@@ -14,11 +13,12 @@ dependencies = [
     "openai~=2.6.1",
     "python-dotenv~=1.2.1",
     "pypdf~=6.1.3",
+    "langchain-classic>=1.0.0",
 ]
 
 [dependency-groups]
 dev = [
     "pytest>=7.0.0",
     "ruff>=0.14.3",
     "pip-audit>=2.6.0",
-]
+]