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b2f8a5bae9
## Description The imports for `NeptuneOpenCypherQAChain` are failing. This PR adds the chain class to the `__init__.py` file to fix this issue. ## Maintainers @dev2049 @krlawrence
78 lines
1.7 KiB
Plaintext
78 lines
1.7 KiB
Plaintext
{
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"cells": [
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{
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"cell_type": "markdown",
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"metadata": {},
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"source": [
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"# Neptune Open Cypher QA Chain\n",
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"This QA chain queries Neptune graph database using openCypher and returns human readable response\n"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 1,
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"metadata": {},
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"outputs": [],
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"source": [
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"from langchain.graphs import NeptuneGraph\n",
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"\n",
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"\n",
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"host = \"<neptune-host>\"\n",
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"port = 80\n",
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"use_https = False\n",
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"\n",
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"graph = NeptuneGraph(host=host, port=port, use_https=use_https)"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 3,
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"metadata": {},
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"outputs": [
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{
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"data": {
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"text/plain": [
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"'The Austin airport has 98 outgoing routes.'"
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]
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},
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"execution_count": 3,
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"metadata": {},
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"output_type": "execute_result"
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}
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],
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"source": [
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"from langchain.chat_models import ChatOpenAI\n",
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"from langchain.chains import NeptuneOpenCypherQAChain\n",
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"\n",
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"llm = ChatOpenAI(temperature=0, model=\"gpt-4\")\n",
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"\n",
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"chain = NeptuneOpenCypherQAChain.from_llm(llm=llm, graph=graph)\n",
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"\n",
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"chain.run(\"how many outgoing routes does the Austin airport have?\")"
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]
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}
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],
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"metadata": {
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"kernelspec": {
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"display_name": ".venv",
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"language": "python",
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"name": "python3"
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},
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"language_info": {
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"codemirror_mode": {
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"name": "ipython",
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"version": 3
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},
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"file_extension": ".py",
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"mimetype": "text/x-python",
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"name": "python",
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"nbconvert_exporter": "python",
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"pygments_lexer": "ipython3",
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"version": "3.9.13"
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},
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"orig_nbformat": 4
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},
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"nbformat": 4,
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"nbformat_minor": 2
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}
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