docs: update schema imports to core

cookbook/advanced_rag_eval.ipynb

@@ -520,7 +520,7 @@
    "source": [
     "import re\n",
     "\n",
-    "from langchain.schema import Document\n",
+    "from langchain_core.documents import Document\n",
     "from langchain_core.runnables import RunnableLambda\n",
     "\n",
     "\n",

cookbook/apache_kafka_message_handling.ipynb

@@ -167,7 +167,7 @@
     "from langchain.llms import LlamaCpp\n",
     "from langchain.memory import ConversationTokenBufferMemory\n",
     "from langchain.prompts import PromptTemplate, load_prompt\n",
-    "from langchain.schema import SystemMessage\n",
+    "from langchain_core.messages import SystemMessage\n",
     "from langchain_experimental.chat_models import Llama2Chat\n",
     "from quixstreams import Application, State, message_key\n",
     "\n",

cookbook/custom_agent_with_plugin_retrieval.ipynb

@@ -42,9 +42,9 @@
     ")\n",
     "from langchain.chains import LLMChain\n",
     "from langchain.prompts import StringPromptTemplate\n",
-    "from langchain.schema import AgentAction, AgentFinish\n",
     "from langchain_community.agent_toolkits import NLAToolkit\n",
     "from langchain_community.tools.plugin import AIPlugin\n",
+    "from langchain_core.agents import AgentAction, AgentFinish\n",
     "from langchain_openai import OpenAI"
    ]
   },
@@ -114,8 +114,8 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "from langchain.schema import Document\n",
     "from langchain_community.vectorstores import FAISS\n",
+    "from langchain_core.documents import Document\n",
     "from langchain_openai import OpenAIEmbeddings"
    ]
   },

cookbook/custom_agent_with_plugin_retrieval_using_plugnplai.ipynb

@@ -67,9 +67,9 @@
     ")\n",
     "from langchain.chains import LLMChain\n",
     "from langchain.prompts import StringPromptTemplate\n",
-    "from langchain.schema import AgentAction, AgentFinish\n",
     "from langchain_community.agent_toolkits import NLAToolkit\n",
     "from langchain_community.tools.plugin import AIPlugin\n",
+    "from langchain_core.agents import AgentAction, AgentFinish\n",
     "from langchain_openai import OpenAI"
    ]
   },
@@ -138,8 +138,8 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "from langchain.schema import Document\n",
     "from langchain_community.vectorstores import FAISS\n",
+    "from langchain_core.documents import Document\n",
     "from langchain_openai import OpenAIEmbeddings"
    ]
   },

cookbook/custom_agent_with_tool_retrieval.ipynb

@@ -40,8 +40,8 @@
     ")\n",
     "from langchain.chains import LLMChain\n",
     "from langchain.prompts import StringPromptTemplate\n",
-    "from langchain.schema import AgentAction, AgentFinish\n",
     "from langchain_community.utilities import SerpAPIWrapper\n",
+    "from langchain_core.agents import AgentAction, AgentFinish\n",
     "from langchain_openai import OpenAI"
    ]
   },
@@ -103,8 +103,8 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "from langchain.schema import Document\n",
     "from langchain_community.vectorstores import FAISS\n",
+    "from langchain_core.documents import Document\n",
     "from langchain_openai import OpenAIEmbeddings"
    ]
   },

cookbook/custom_multi_action_agent.ipynb

@@ -72,7 +72,7 @@
    "source": [
     "from typing import Any, List, Tuple, Union\n",
     "\n",
-    "from langchain.schema import AgentAction, AgentFinish\n",
+    "from langchain_core.agents import AgentAction, AgentFinish\n",
     "\n",
     "\n",
     "class FakeAgent(BaseMultiActionAgent):\n",

cookbook/forward_looking_retrieval_augmented_generation.ipynb

@@ -73,8 +73,9 @@
     "    AsyncCallbackManagerForRetrieverRun,\n",
     "    CallbackManagerForRetrieverRun,\n",
     ")\n",
-    "from langchain.schema import BaseRetriever, Document\n",
     "from langchain_community.utilities import GoogleSerperAPIWrapper\n",
+    "from langchain_core.documents import Document\n",
+    "from langchain_core.retrievers import BaseRetriever\n",
     "from langchain_openai import ChatOpenAI, OpenAI"
    ]
   },

cookbook/openai_functions_retrieval_qa.ipynb

@@ -358,7 +358,7 @@
     "\n",
     "from langchain.chains.openai_functions import create_qa_with_structure_chain\n",
     "from langchain.prompts.chat import ChatPromptTemplate, HumanMessagePromptTemplate\n",
-    "from langchain.schema import HumanMessage, SystemMessage\n",
+    "from langchain_core.messages import HumanMessage, SystemMessage\n",
     "from pydantic import BaseModel, Field"
    ]
   },

cookbook/sales_agent_with_context.ipynb

@@ -51,10 +51,10 @@
     "from langchain.chains.base import Chain\n",
     "from langchain.prompts import PromptTemplate\n",
     "from langchain.prompts.base import StringPromptTemplate\n",
-    "from langchain.schema import AgentAction, AgentFinish\n",
     "from langchain.text_splitter import CharacterTextSplitter\n",
     "from langchain_community.llms import BaseLLM\n",
     "from langchain_community.vectorstores import Chroma\n",
+    "from langchain_core.agents import AgentAction, AgentFinish\n",
     "from langchain_openai import ChatOpenAI, OpenAI, OpenAIEmbeddings\n",
     "from pydantic import BaseModel, Field"
    ]

cookbook/wikibase_agent.ipynb

@@ -401,7 +401,7 @@
     ")\n",
     "from langchain.chains import LLMChain\n",
     "from langchain.prompts import StringPromptTemplate\n",
-    "from langchain.schema import AgentAction, AgentFinish"
+    "from langchain_core.agents import AgentAction, AgentFinish"
    ]
   },
   {

docs/docs/expression_language/cookbook/multiple_chains.ipynb

@@ -47,7 +47,7 @@
    "source": [
     "from operator import itemgetter\n",
     "\n",
-    "from langchain.schema import StrOutputParser\n",
+    "from langchain_core.output_parsers import StrOutputParser\n",
     "from langchain_core.prompts import ChatPromptTemplate\n",
     "from langchain_openai import ChatOpenAI\n",
     "\n",

docs/docs/expression_language/cookbook/retrieval.ipynb

@@ -169,8 +169,8 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "from langchain.schema import format_document\n",
     "from langchain_core.messages import AIMessage, HumanMessage, get_buffer_string\n",
+    "from langchain_core.prompts import format_document\n",
     "from langchain_core.runnables import RunnableParallel"
    ]
   },

docs/docs/expression_language/how_to/binding.ipynb

@@ -29,7 +29,7 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "from langchain.schema import StrOutputParser\n",
+    "from langchain_core.output_parsers import StrOutputParser\n",
     "from langchain_core.prompts import ChatPromptTemplate\n",
     "from langchain_core.runnables import RunnablePassthrough\n",
     "from langchain_openai import ChatOpenAI"

docs/docs/expression_language/streaming.ipynb

@@ -68,7 +68,7 @@
    "source": [
     "# Showing the example using anthropic, but you can use\n",
     "# your favorite chat model!\n",
-    "from langchain.chat_models import ChatAnthropic\n",
+    "from langchain_community.chat_models import ChatAnthropic\n",
     "\n",
     "model = ChatAnthropic()\n",
     "\n",

docs/docs/guides/evaluation/trajectory/custom.ipynb

@@ -35,7 +35,7 @@
     "\n",
     "from langchain.chains import LLMChain\n",
     "from langchain.evaluation import AgentTrajectoryEvaluator\n",
-    "from langchain.schema import AgentAction\n",
+    "from langchain_core.agents import AgentAction\n",
     "from langchain_openai import ChatOpenAI\n",
     "\n",
     "\n",

docs/docs/guides/privacy/presidio_data_anonymization/qa_privacy_protection.ipynb

@@ -90,7 +90,7 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "from langchain.schema import Document\n",
+    "from langchain_core.documents import Document\n",
     "\n",
     "documents = [Document(page_content=document_content)]"
    ]
@@ -879,7 +879,7 @@
    "outputs": [],
    "source": [
     "from langchain.prompts.prompt import PromptTemplate\n",
-    "from langchain.schema import format_document\n",
+    "from langchain_core.prompts import format_document\n",
     "\n",
     "DEFAULT_DOCUMENT_PROMPT = PromptTemplate.from_template(template=\"{page_content}\")\n",
     "\n",

docs/docs/integrations/callbacks/labelstudio.ipynb

@@ -242,7 +242,7 @@
    "outputs": [],
    "source": [
     "from langchain.callbacks import LabelStudioCallbackHandler\n",
-    "from langchain.schema import HumanMessage, SystemMessage\n",
+    "from langchain_core.messages import HumanMessage, SystemMessage\n",
     "from langchain_openai import ChatOpenAI\n",
     "\n",
     "chat_llm = ChatOpenAI(\n",

docs/docs/integrations/callbacks/llmonitor.md

@@ -53,7 +53,7 @@ Example:
 
 ```python
 from langchain_openai import ChatOpenAI
-from langchain.schema import SystemMessage, HumanMessage
+from langchain_core.messages import SystemMessage, HumanMessage
 from langchain.agents import OpenAIFunctionsAgent, AgentExecutor, tool
 from langchain.callbacks import LLMonitorCallbackHandler
 

docs/docs/integrations/callbacks/trubrics.ipynb

@@ -267,7 +267,7 @@
    "outputs": [],
    "source": [
     "from langchain.callbacks import TrubricsCallbackHandler\n",
-    "from langchain.schema import HumanMessage, SystemMessage\n",
+    "from langchain_core.messages import HumanMessage, SystemMessage\n",
     "from langchain_openai import ChatOpenAI"
    ]
   },

docs/docs/integrations/chat/anthropic_functions.ipynb

@@ -83,7 +83,7 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "from langchain.schema import HumanMessage"
+    "from langchain_core.messages import HumanMessage"
    ]
   },
   {

docs/docs/integrations/chat/anyscale.ipynb

@@ -109,7 +109,7 @@
    "source": [
     "import asyncio\n",
     "\n",
-    "from langchain.schema import HumanMessage, SystemMessage\n",
+    "from langchain_core.messages import HumanMessage, SystemMessage\n",
     "\n",
     "messages = [\n",
     "    SystemMessage(content=\"You are a helpful AI that shares everything you know.\"),\n",

docs/docs/integrations/chat/azure_chat_openai.ipynb

@@ -31,7 +31,7 @@
    "source": [
     "import os\n",
     "\n",
-    "from langchain.schema import HumanMessage\n",
+    "from langchain_core.messages import HumanMessage\n",
     "from langchain_openai import AzureChatOpenAI"
    ]
   },

docs/docs/integrations/chat/azureml_chat_endpoint.ipynb

@@ -74,11 +74,11 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "from langchain.schema import HumanMessage\n",
     "from langchain_community.chat_models.azureml_endpoint import (\n",
     "    AzureMLEndpointApiType,\n",
     "    LlamaChatContentFormatter,\n",
-    ")"
+    ")\n",
+    "from langchain_core.messages import HumanMessage"
    ]
   },
   {
@@ -105,8 +105,8 @@
     }
    ],
    "source": [
-    "from langchain.schema import HumanMessage\n",
     "from langchain_community.chat_models.azureml_endpoint import LlamaContentFormatter\n",
+    "from langchain_core.messages import HumanMessage\n",
     "\n",
     "chat = AzureMLChatOnlineEndpoint(\n",
     "    endpoint_url=\"https://<your-endpoint>.<your_region>.inference.ml.azure.com/score\",\n",

docs/docs/integrations/chat/baichuan.ipynb

@@ -29,8 +29,8 @@
    },
    "outputs": [],
    "source": [
-    "from langchain.schema import HumanMessage\n",
-    "from langchain_community.chat_models import ChatBaichuan"
+    "from langchain_community.chat_models import ChatBaichuan\n",
+    "from langchain_core.messages import HumanMessage"
    ]
   },
   {

docs/docs/integrations/chat/bedrock.ipynb

@@ -47,8 +47,8 @@
    },
    "outputs": [],
    "source": [
-    "from langchain.schema import HumanMessage\n",
-    "from langchain_community.chat_models import BedrockChat"
+    "from langchain_community.chat_models import BedrockChat\n",
+    "from langchain_core.messages import HumanMessage"
    ]
   },
   {

docs/docs/integrations/chat/deepinfra.ipynb

@@ -68,8 +68,8 @@
    },
    "outputs": [],
    "source": [
-    "from langchain.chat_models import ChatDeepInfra\n",
-    "from langchain.schema import HumanMessage"
+    "from langchain_community.chat_models import ChatDeepInfra\n",
+    "from langchain_core.messages import HumanMessage"
    ]
   },
   {
@@ -216,7 +216,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.9.1"
+   "version": "3.11.4"
   }
  },
  "nbformat": 4,

docs/docs/integrations/chat/ernie.ipynb

@@ -76,8 +76,8 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "from langchain.schema import HumanMessage\n",
     "from langchain_community.chat_models import ErnieBotChat\n",
+    "from langchain_core.messages import HumanMessage\n",
     "\n",
     "chat = ErnieBotChat(\n",
     "    ernie_client_id=\"YOUR_CLIENT_ID\", ernie_client_secret=\"YOUR_CLIENT_SECRET\"\n",

docs/docs/integrations/chat/everlyai.ipynb

@@ -73,8 +73,8 @@
     }
    ],
    "source": [
-    "from langchain.schema import HumanMessage, SystemMessage\n",
     "from langchain_community.chat_models import ChatEverlyAI\n",
+    "from langchain_core.messages import HumanMessage, SystemMessage\n",
     "\n",
     "messages = [\n",
     "    SystemMessage(content=\"You are a helpful AI that shares everything you know.\"),\n",
@@ -127,8 +127,8 @@
    ],
    "source": [
     "from langchain.callbacks.streaming_stdout import StreamingStdOutCallbackHandler\n",
-    "from langchain.schema import HumanMessage, SystemMessage\n",
     "from langchain_community.chat_models import ChatEverlyAI\n",
+    "from langchain_core.messages import HumanMessage, SystemMessage\n",
     "\n",
     "messages = [\n",
     "    SystemMessage(content=\"You are a humorous AI that delights people.\"),\n",
@@ -185,8 +185,8 @@
    ],
    "source": [
     "from langchain.callbacks.streaming_stdout import StreamingStdOutCallbackHandler\n",
-    "from langchain.schema import HumanMessage, SystemMessage\n",
     "from langchain_community.chat_models import ChatEverlyAI\n",
+    "from langchain_core.messages import HumanMessage, SystemMessage\n",
     "\n",
     "messages = [\n",
     "    SystemMessage(content=\"You are a humorous AI that delights people.\"),\n",

docs/docs/integrations/chat/fireworks.ipynb

@@ -37,8 +37,8 @@
    "source": [
     "import os\n",
     "\n",
-    "from langchain.schema import HumanMessage, SystemMessage\n",
-    "from langchain_community.chat_models.fireworks import ChatFireworks"
+    "from langchain_community.chat_models.fireworks import ChatFireworks\n",
+    "from langchain_core.messages import HumanMessage, SystemMessage"
    ]
   },
   {

docs/docs/integrations/chat/gigachat.ipynb

@@ -75,7 +75,7 @@
     }
    ],
    "source": [
-    "from langchain.schema import HumanMessage, SystemMessage\n",
+    "from langchain_core.messages import HumanMessage, SystemMessage\n",
     "\n",
     "messages = [\n",
     "    SystemMessage(\n",

docs/docs/integrations/chat/gpt_router.ipynb

@@ -70,9 +70,9 @@
    },
    "outputs": [],
    "source": [
-    "from langchain.schema import HumanMessage\n",
     "from langchain_community.chat_models import GPTRouter\n",
-    "from langchain_community.chat_models.gpt_router import GPTRouterModel"
+    "from langchain_community.chat_models.gpt_router import GPTRouterModel\n",
+    "from langchain_core.messages import HumanMessage"
    ]
   },
   {

docs/docs/integrations/chat/jinachat.ipynb

@@ -24,8 +24,8 @@
     "    HumanMessagePromptTemplate,\n",
     "    SystemMessagePromptTemplate,\n",
     ")\n",
-    "from langchain.schema import HumanMessage, SystemMessage\n",
-    "from langchain_community.chat_models import JinaChat"
+    "from langchain_community.chat_models import JinaChat\n",
+    "from langchain_core.messages import HumanMessage, SystemMessage"
    ]
   },
   {