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changes required to make the langchain RAG example work #102

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1d6c194
changes required to make the example work
jwoehr Nov 30, 2025
b3e76e6
correct text to refer to the model actually used
jwoehr Nov 30, 2025
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26 changes: 13 additions & 13 deletions generative-ai/langchain-rag.ipynb
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Original file line number Diff line number Diff line change
Expand Up @@ -107,7 +107,7 @@
"from ibm_watsonx_ai.foundation_models.utils.enums import EmbeddingTypes\n",
"\n",
"from langchain_ibm import WatsonxEmbeddings, WatsonxLLM\n",
"from langchain.vectorstores import Chroma\n",
"from langchain_chroma import Chroma\n",
"\n",
"from langchain_core.prompts import ChatPromptTemplate\n",
"from langchain_core.output_parsers import StrOutputParser\n",
Expand Down Expand Up @@ -284,27 +284,27 @@
"\n"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"Let's load our content into a local instance of a vector database, using Chroma."
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {},
"outputs": [],
"source": [
"embeddings = WatsonxEmbeddings(\n",
" model_id=EmbeddingTypes.IBM_SLATE_30M_ENG.value,\n",
" model_id=\"ibm/slate-30m-english-rtrvr-v2\",\n",
" url=credentials[\"url\"],# type: ignore\n",
" apikey=credentials[\"apikey\"],# type: ignore\n",
" project_id=project_id,\n",
" )"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"Let's load our content into a local instance of a vector database, using Chroma."
]
},
{
"cell_type": "code",
"execution_count": null,
Expand Down Expand Up @@ -340,7 +340,7 @@
"\n",
"Finally, we’ll generate a response. The generative model (like GPT-4 or IBM Granite) uses the retrieved information to produce a more accurate and contextually relevant response to our questions.\n",
"\n",
"First, we'll establish which LLM we're going to use to generate the response. For this tutorial, we'll use IBM's Granite-3.0-8B-Instruct model."
"First, we'll establish which LLM we're going to use to generate the response. For this tutorial, we'll use IBM's Granite-3-3-8B-Instruct model."
]
},
{
Expand All @@ -349,7 +349,7 @@
"metadata": {},
"outputs": [],
"source": [
"model_id = \"ibm/granite-3-8b-instruct\""
"model_id = \"ibm/granite-3-3-8b-instruct\""
]
},
{
Expand Down Expand Up @@ -538,7 +538,7 @@
],
"metadata": {
"kernelspec": {
"display_name": "base",
"display_name": "Python 3 (ipykernel)",
"language": "python",
"name": "python3"
},
Expand All @@ -552,7 +552,7 @@
"name": "python",
"nbconvert_exporter": "python",
"pygments_lexer": "ipython3",
"version": "3.12.4"
"version": "3.12.3"
}
},
"nbformat": 4,
Expand Down