Merge branch 'master' into cc/docs_tutorials

langchain-ai · Nov 26, 2024 · 195d64c · 195d64c
2 parents 091bde4 + aa2c17b
commit 195d64c
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diff --git a/docs/docs/how_to/graph_constructing.ipynb b/docs/docs/how_to/graph_constructing.ipynb
@@ -52,7 +52,7 @@
     }
    ],
    "source": [
-    "%pip install --upgrade --quiet  langchain langchain-community langchain-openai langchain-experimental neo4j"
+    "%pip install --upgrade --quiet  langchain langchain-neo4j langchain-openai langchain-experimental neo4j"
    ]
   },
   {
@@ -102,7 +102,7 @@
    "source": [
     "import os\n",
     "\n",
-    "from langchain_community.graphs import Neo4jGraph\n",
+    "from langchain_neo4j import Neo4jGraph\n",
     "\n",
     "os.environ[\"NEO4J_URI\"] = \"bolt://localhost:7687\"\n",
     "os.environ[\"NEO4J_USERNAME\"] = \"neo4j\"\n",

diff --git a/docs/docs/how_to/graph_mapping.ipynb b/docs/docs/how_to/graph_mapping.ipynb
@@ -33,7 +33,7 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "%pip install --upgrade --quiet  langchain langchain-community langchain-openai neo4j"
+    "%pip install --upgrade --quiet  langchain langchain-neo4j langchain-openai neo4j"
    ]
   },
   {
@@ -116,7 +116,7 @@
     }
    ],
    "source": [
-    "from langchain_community.graphs import Neo4jGraph\n",
+    "from langchain_neo4j import Neo4jGraph\n",
     "\n",
     "graph = Neo4jGraph()\n",
     "\n",
@@ -364,11 +364,12 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "from langchain_community.chains.graph_qa.cypher_utils import (\n",
+    "from langchain_neo4j.chains.graph_qa.cypher_utils import (\n",
     "    CypherQueryCorrector,\n",
     "    Schema,\n",
     ")\n",
     "\n",
+    "graph.refresh_schema()\n",
     "# Cypher validation tool for relationship directions\n",
     "corrector_schema = [\n",
     "    Schema(el[\"start\"], el[\"type\"], el[\"end\"])\n",

diff --git a/docs/docs/how_to/graph_prompting.ipynb b/docs/docs/how_to/graph_prompting.ipynb
@@ -36,7 +36,7 @@
     }
    ],
    "source": [
-    "%pip install --upgrade --quiet  langchain langchain-community langchain-openai neo4j"
+    "%pip install --upgrade --quiet  langchain langchain-neo4j langchain-openai neo4j"
    ]
   },
   {
@@ -113,7 +113,7 @@
     }
    ],
    "source": [
-    "from langchain_community.graphs import Neo4jGraph\n",
+    "from langchain_neo4j import Neo4jGraph\n",
     "\n",
     "graph = Neo4jGraph()\n",
     "\n",
@@ -188,12 +188,16 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "from langchain.chains import GraphCypherQAChain\n",
+    "from langchain_neo4j import GraphCypherQAChain\n",
     "from langchain_openai import ChatOpenAI\n",
     "\n",
     "llm = ChatOpenAI(model=\"gpt-3.5-turbo\", temperature=0)\n",
     "chain = GraphCypherQAChain.from_llm(\n",
-    "    graph=graph, llm=llm, exclude_types=[\"Genre\"], verbose=True\n",
+    "    graph=graph,\n",
+    "    llm=llm,\n",
+    "    exclude_types=[\"Genre\"],\n",
+    "    verbose=True,\n",
+    "    allow_dangerous_requests=True,\n",
     ")"
    ]
   },
@@ -356,8 +360,8 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "from langchain_community.vectorstores import Neo4jVector\n",
     "from langchain_core.example_selectors import SemanticSimilarityExampleSelector\n",
+    "from langchain_neo4j import Neo4jVector\n",
     "from langchain_openai import OpenAIEmbeddings\n",
     "\n",
     "example_selector = SemanticSimilarityExampleSelector.from_examples(\n",
@@ -468,7 +472,11 @@
    "source": [
     "llm = ChatOpenAI(model=\"gpt-3.5-turbo\", temperature=0)\n",
     "chain = GraphCypherQAChain.from_llm(\n",
-    "    graph=graph, llm=llm, cypher_prompt=prompt, verbose=True\n",
+    "    graph=graph,\n",
+    "    llm=llm,\n",
+    "    cypher_prompt=prompt,\n",
+    "    verbose=True,\n",
+    "    allow_dangerous_requests=True,\n",
     ")"
    ]
   },

diff --git a/docs/docs/how_to/graph_semantic.ipynb b/docs/docs/how_to/graph_semantic.ipynb
@@ -44,7 +44,7 @@
     }
    ],
    "source": [
-    "%pip install --upgrade --quiet  langchain langchain-community langchain-openai neo4j"
+    "%pip install --upgrade --quiet  langchain langchain-neo4j langchain-openai neo4j"
    ]
   },
   {
@@ -127,7 +127,7 @@
     }
    ],
    "source": [
-    "from langchain_community.graphs import Neo4jGraph\n",
+    "from langchain_neo4j import Neo4jGraph\n",
     "\n",
     "graph = Neo4jGraph()\n",
     "\n",
@@ -242,8 +242,8 @@
     "\n",
     "\n",
     "class InformationTool(BaseTool):\n",
-    "    name = \"Information\"\n",
-    "    description = (\n",
+    "    name: str = \"Information\"\n",
+    "    description: str = (\n",
     "        \"useful for when you need to answer questions about various actors or movies\"\n",
     "    )\n",
     "    args_schema: Type[BaseModel] = InformationInput\n",