Unable to Chat - Option never appears

[meltedhead]

I can connect to local ollama model for embeddings etc. I can then upload documents and they are indexed successfully but anytime i try to chat then the chat section never appears. If I select a certain document to chat with or search all then i still don't see the option to chat. Any ideas?
Screenshots below showing everything set up

I run the following

# optional (setup env)
conda create -n kotaemon python=3.10
conda activate kotaemon

# clone this repo
git clone https://github.com/Cinnamon/kotaemon
cd kotaemon

pip install -e "libs/kotaemon[all]"
pip install -e "libs/ktem"

Install and unzip PDF_JS_DIST

i have my .env file as below:

# this is an example .env file, use it to create your own .env file and place it in the root of the project

# settings for OpenAI
#OPENAI_API_BASE=https://api.openai.com/v1
#OPENAI_API_KEY=<YOUR_OPENAI_KEY>
#OPENAI_CHAT_MODEL=gpt-3.5-turbo
#OPENAI_EMBEDDINGS_MODEL=text-embedding-ada-002

# settings for Azure OpenAI
#AZURE_OPENAI_ENDPOINT=
#AZURE_OPENAI_API_KEY=
#OPENAI_API_VERSION=2024-02-15-preview
#AZURE_OPENAI_CHAT_DEPLOYMENT=gpt-35-turbo
#AZURE_OPENAI_EMBEDDINGS_DEPLOYMENT=text-embedding-ada-002

# settings for Cohere
COHERE_API_KEY=<COHERE_API_KEY>

# settings for local models
LOCAL_MODEL=llama3.1:8b
LOCAL_MODEL_EMBEDDINGS=nomic-embed-text
LOCAL_EMBEDDING_MODEL_DIM = 768
LOCAL_EMBEDDING_MODEL_MAX_TOKENS = 8192

# settings for GraphRAG
GRAPHRAG_API_KEY=openai_key
GRAPHRAG_LLM_MODEL=gpt-4o-mini
GRAPHRAG_EMBEDDING_MODEL=text-embedding-3-small

# set to true if you want to use customized GraphRAG config file
USE_CUSTOMIZED_GRAPHRAG_SETTING=false

# settings for Azure DI
AZURE_DI_ENDPOINT=
AZURE_DI_CREDENTIAL=

# settings for Adobe API
# get free credential at https://acrobatservices.adobe.com/dc-integration-creation-app-cdn/main.html?api=pdf-extract-api
# also install pip install "pdfservices-sdk@git+https://github.com/niallcm/pdfservices-python-sdk.git@bump-and-unfreeze-requirements"
PDF_SERVICES_CLIENT_ID=
PDF_SERVICES_CLIENT_SECRET=

# settings for PDF.js
PDFJS_VERSION_DIST="pdfjs-4.0.379-dist"

Then I start the app. I can test the LLM and Embeddings and everything is working. I can upload files and they are indexed but I can'#t seem to chat? It just never appears?

[meltedhead]

Ok my bad. I was only looking at the developer guide for installing and just noticed at the bottom of the main page these instructions. These need added to the developer guide.

Setup Nano GRAPHRAG
Install nano-GraphRAG: pip install nano-graphrag
nano-graphrag install might introduce version conflicts, see #440
To quickly fix: pip uninstall hnswlib chroma-hnswlib && pip install chroma-hnswlib
Launch Kotaemon with USE_NANO_GRAPHRAG=true environment variable.
Set your default LLM & Embedding models in Resources setting and it will be recognized automatically from NanoGraphRAG.