langchain

Commit Graph

Author	SHA1	Message	Date
bnassivet	9355e3f5f5	qdrant vector store - search with relevancy scores (#5781 ) Implementation of similarity_search_with_relevance_scores for quadrant vector store. As implemented the method is also compatible with other capacities such as filtering. Integration tests updated. #### Who can review? Tag maintainers/contributors who might be interested: VectorStores / Retrievers / Memory - @dev2049	1 year ago
Matt Robinson	11fec7d4d1	feat: Add `UnstructuredCSVLoader` for CSV files (#5844 ) ### Summary Adds an `UnstructuredCSVLoader` for loading CSVs. One advantage of using `UnstructuredCSVLoader` relative to the standard `CSVLoader` is that if you use `UnstructuredCSVLoader` in `"elements"` mode, an HTML representation of the table will be available in the metadata. #### Who can review? @hwchase17 @eyurtsev	1 year ago
Yessen Kanapin	c66755b661	Add DeepInfra embeddings integration with tests and examples, better exception handling for Deep Infra LLM (#5854 ) #### Who can review? Tag maintainers/contributors who might be interested: @hwchase17 - project lead - @agola11 --------- Co-authored-by: Yessen Kanapin <yessen@deepinfra.com>	1 year ago
bnassivet	062c3c00a2	fixed faiss integ tests (#5808 ) Fixes # 5807 Realigned tests with implementation. Also reinforced folder unicity for the test_faiss_local_save_load test using date-time suffix #### Before submitting - Integration test updated - formatting and linting ok (locally) #### Who can review? Tag maintainers/contributors who might be interested: @hwchase17 - project lead VectorStores / Retrievers / Memory -@dev2049	1 year ago
Lance Martin	4092fd21dc	YoutubeAudioLoader and updates to OpenAIWhisperParser (#5772 ) This introduces the `YoutubeAudioLoader`, which will load blobs from a YouTube url and write them. Blobs are then parsed by `OpenAIWhisperParser()`, as show in this [PR](https://github.com/hwchase17/langchain/pull/5580), but we extend the parser to split audio such that each chuck meets the 25MB OpenAI size limit. As shown in the notebook, this enables a very simple UX: ``` # Transcribe the video to text loader = GenericLoader(YoutubeAudioLoader([url],save_dir),OpenAIWhisperParser()) docs = loader.load() ``` Tested on full set of Karpathy lecture videos: ``` # Karpathy lecture videos urls = ["https://youtu.be/VMj-3S1tku0" "https://youtu.be/PaCmpygFfXo", "https://youtu.be/TCH_1BHY58I", "https://youtu.be/P6sfmUTpUmc", "https://youtu.be/q8SA3rM6ckI", "https://youtu.be/t3YJ5hKiMQ0", "https://youtu.be/kCc8FmEb1nY"] # Directory to save audio files save_dir = "~/Downloads/YouTube" # Transcribe the videos to text loader = GenericLoader(YoutubeAudioLoader(urls,save_dir),OpenAIWhisperParser()) docs = loader.load() ```	1 year ago
Ankush Gola	b177a29d3f	support returning run info for llms, chat models and chains (#5666 ) returning the run id is important for accessing the run later on	1 year ago
Yoann Poupart	65111eb2b3	Attribute support for html tags (#5782 ) # What does this PR do? Change the HTML tags so that a tag with attributes can be found. ## Before submitting - [x] Tests added - [x] CI/CD validated ### Who can review? Anyone in the community is free to review the PR once the tests have passed. Feel free to tag members/contributors who may be interested in your PR.	1 year ago
Zander Chase	204a73c1d9	Use client from LCP-SDK (#5695 ) - Remove the client implementation (this breaks backwards compatibility for existing testers. I could keep the stub in that file if we want, but not many people are using it yet - Add SDK as dependency - Update the 'run_on_dataset' method to be a function that optionally accepts a client as an argument - Remove the langchain plus server implementation (you get it for free with the SDK now) We could make the SDK optional for now, but the plan is to use w/in the tracer so it would likely become a hard dependency at some point.	1 year ago
Ankush Gola	84a46753ab	Tracing Group (#5326 ) Add context manager to group all runs under a virtual parent --------- Co-authored-by: vowelparrot <130414180+vowelparrot@users.noreply.github.com>	1 year ago
Ilya	d5b1608216	fix markdown text splitter horizontal lines (#5625 ) Fixes #5614 #### Issue The `**` combination produces an exception when used as a seperator in `re.split`. Instead `\\\` should be used for regex exprations. #### Who can review? @eyurtsev	1 year ago
M Waleed Kadous	5124c1e0d9	Add aviary support (#5661 ) Aviary is an open source toolkit for evaluating and deploying open source LLMs. You can find out more about it on [http://github.com/ray-project/aviary). You can try it out at [http://aviary.anyscale.com](aviary.anyscale.com). This code adds support for Aviary in LangChain. To minimize dependencies, it connects directly to the HTTP endpoint. The current implementation is not accelerated and uses the default implementation of `predict` and `generate`. It includes a test and a simple example. @hwchase17 and @agola11 could you have a look at this? --------- Co-authored-by: Dev 2049 <dev.dev2049@gmail.com>	1 year ago
Lance Martin	aea090045b	Create OpenAIWhisperParser for generating Documents from audio files (#5580 ) # OpenAIWhisperParser This PR creates a new parser, `OpenAIWhisperParser`, that uses the [OpenAI Whisper model](https://platform.openai.com/docs/guides/speech-to-text/quickstart) to perform transcription of audio files to text (`Documents`). Please see the notebook for usage.	1 year ago
Hao Chen	a4c9053d40	Integrate Clickhouse as Vector Store (#5650 ) <!-- Thank you for contributing to LangChain! Your PR will appear in our release under the title you set. Please make sure it highlights your valuable contribution. Replace this with a description of the change, the issue it fixes (if applicable), and relevant context. List any dependencies required for this change. After you're done, someone will review your PR. They may suggest improvements. If no one reviews your PR within a few days, feel free to @-mention the same people again, as notifications can get lost. Finally, we'd love to show appreciation for your contribution - if you'd like us to shout you out on Twitter, please also include your handle! --> #### Description This PR is mainly to integrate open source version of ClickHouse as Vector Store as it is easy for both local development and adoption of LangChain for enterprises who already have large scale clickhouse deployment. ClickHouse is a open source real-time OLAP database with full SQL support and a wide range of functions to assist users in writing analytical queries. Some of these functions and data structures perform distance operations between vectors, [enabling ClickHouse to be used as a vector database](https://clickhouse.com/blog/vector-search-clickhouse-p1). Recently added ClickHouse capabilities like [Approximate Nearest Neighbour (ANN) indices](https://clickhouse.com/docs/en/engines/table-engines/mergetree-family/annindexes) support faster approximate matching of vectors and provide a promising development aimed to further enhance the vector matching capabilities of ClickHouse. In LangChain, some ClickHouse based commercial variant vector stores like [Chroma](https://github.com/hwchase17/langchain/blob/master/langchain/vectorstores/chroma.py) and [MyScale](https://github.com/hwchase17/langchain/blob/master/langchain/vectorstores/myscale.py), etc are already integrated, but for some enterprises with large scale Clickhouse clusters deployment, it will be more straightforward to upgrade existing clickhouse infra instead of moving to another similar vector store solution, so we believe it's a valid requirement to integrate open source version of ClickHouse as vector store. As `clickhouse-connect` is already included by other integrations, this PR won't include any new dependencies. #### Before submitting <!-- If you're adding a new integration, please include: 1. Added a test for the integration: https://github.com/haoch/langchain/blob/clickhouse/tests/integration_tests/vectorstores/test_clickhouse.py 2. Added an example notebook and document showing its use: * Notebook: https://github.com/haoch/langchain/blob/clickhouse/docs/modules/indexes/vectorstores/examples/clickhouse.ipynb * Doc: https://github.com/haoch/langchain/blob/clickhouse/docs/integrations/clickhouse.md See contribution guidelines for more information on how to write tests, lint etc: https://github.com/hwchase17/langchain/blob/master/.github/CONTRIBUTING.md --> 1. Added a test for the integration: https://github.com/haoch/langchain/blob/clickhouse/tests/integration_tests/vectorstores/test_clickhouse.py 2. Added an example notebook and document showing its use: * Notebook: https://github.com/haoch/langchain/blob/clickhouse/docs/modules/indexes/vectorstores/examples/clickhouse.ipynb * Doc: https://github.com/haoch/langchain/blob/clickhouse/docs/integrations/clickhouse.md #### Who can review? Tag maintainers/contributors who might be interested: <!-- For a quicker response, figure out the right person to tag with @ @hwchase17 - project lead Tracing / Callbacks - @agola11 Async - @agola11 DataLoaders - @eyurtsev Models - @hwchase17 - @agola11 Agents / Tools / Toolkits - @vowelparrot VectorStores / Retrievers / Memory - @dev2049 --> @hwchase17 @dev2049 Could you please help review? --------- Co-authored-by: Dev 2049 <dev.dev2049@gmail.com>	1 year ago
Daniel Chalef	0551bc90a5	Zep Hybrid Search (#5742 ) Zep now supports persisting custom metadata with messages and hybrid search across both message embeddings and structured metadata. This PR implements custom metadata and enhancements to the `ZepChatMessageHistory` and `ZepRetriever` classes to implement this support. Tag maintainers/contributors who might be interested: VectorStores / Retrievers / Memory - @dev2049 --------- Co-authored-by: Daniel Chalef <daniel.chalef@private.org>	1 year ago
Tomaz Bratanic	a0ea6f6b6b	Cypher search: Check if generated Cypher is provided in backticks (#5541 ) # Check if generated Cypher code is wrapped in backticks Some LLMs like the VertexAI like to explain how they generated the Cypher statement and wrap the actual code in three backticks: ![Screenshot from 2023-06-01 08-08-23](https://github.com/hwchase17/langchain/assets/19948365/1d8eecb3-d26c-4882-8f5b-6a9bc7e93690) I have observed a similar pattern with OpenAI chat models in a conversational settings, where multiple user and assistant message are provided to the LLM to generate Cypher statements, where then the LLM wants to maybe apologize for previous steps or explain its thoughts. Interestingly, both OpenAI and VertexAI wrap the code in three backticks if they are doing any explaining or apologizing. Checking if the generated cypher is wrapped in backticks seems like a low-hanging fruit to expand the cypher search to other LLMs and conversational settings.	1 year ago
mheguy-stingray	b64c39dfe7	top_k and top_p transposed in vertexai (#5673 ) Fix transposed properties in vertexai model Co-authored-by: Dev 2049 <dev.dev2049@gmail.com>	1 year ago
Jens Madsen	8d9e9e013c	refactor: extract token text splitter function (#5179 ) # Token text splitter for sentence transformers The current TokenTextSplitter only works with OpenAi models via the `tiktoken` package. This is not clear from the name `TokenTextSplitter`. In this (first PR) a token based text splitter for sentence transformer models is added. In the future I think we should work towards injecting a tokenizer into the TokenTextSplitter to make ti more flexible. Could perhaps be reviewed by @dev2049 --------- Co-authored-by: Harrison Chase <hw.chase.17@gmail.com>	1 year ago
Nathan Azrak	26ec845921	Raise an exception in MKRL and Chat Output Parsers if parsing text which contains both an action and a final answer (#5609 ) Raises exception if OutputParsers receive a response with both a valid action and a final answer Currently, if an OutputParser receives a response which includes both an action and a final answer, they return a FinalAnswer object. This allows the parser to accept responses which propose an action and hallucinate an answer without the action being parsed or taken by the agent. This PR changes the logic to: 1. store a variable checking whether a response contains the `FINAL_ANSWER_ACTION` (this is the easier condition to check). 2. store a variable checking whether the response contains a valid action 3. if both are present, raise a new exception stating that both are present 4. if an action is present, return an AgentAction 5. if an answer is present, return an AgentAnswer 6. if neither is present, raise the relevant exception based around the action format (these have been kept consistent with the prior exception messages) Disclaimer: * Existing mock data included strings which did include an action and an answer. This might indicate that prioritising returning AgentAnswer was always correct, and I am patching out desired behaviour? @hwchase17 to advice. Curious if there are allowed cases where this is not hallucinating, and we do want the LLM to output an action which isn't taken. * I have not passed `send_to_llm` through this new exception Fixes #5601 ## Who can review? Community members can review the PR once tests pass. Tag maintainers/contributors who might be interested: @hwchase17 - project lead @vowelparrot	1 year ago
Harrison Chase	b9040669a0	Harrison/pipeline prompt (#5540 ) idea is to make prompts more composable	1 year ago
Paul-Emile Brotons	92f218207b	removing client+namespace in favor of collection (#5610 ) removing client+namespace in favor of collection for an easier instantiation and to be similar to the typescript library @dev2049	1 year ago
Harrison Chase	ad09367a92	Harrison/pubmed integration (#5664 ) Co-authored-by: younis basher <71520361+younis-ba@users.noreply.github.com> Co-authored-by: Younis Bashir <younis@omicmd.com>	1 year ago
Davis Chase	ae3611730a	handle single arg to and/or (#5637 ) @ryderwishart @eyurtsev thoughts on handling this in the parser itself? related to #5570	1 year ago
Matt Robinson	a97e4252e3	feat: add `UnstructuredExcelLoader` for `.xlsx` and `.xls` files (#5617 ) # Unstructured Excel Loader Adds an `UnstructuredExcelLoader` class for `.xlsx` and `.xls` files. Works with `unstructured>=0.6.7`. A plain text representation of the Excel file will be available under the `page_content` attribute in the doc. If you use the loader in `"elements"` mode, an HTML representation of the Excel file will be available under the `text_as_html` metadata key. Each sheet in the Excel document is its own document. ### Testing ```python from langchain.document_loaders import UnstructuredExcelLoader loader = UnstructuredExcelLoader( "example_data/stanley-cups.xlsx", mode="elements" ) docs = loader.load() ``` ## Who can review? @hwchase17 @eyurtsev	1 year ago
Zander Chase	20ec1173f4	Update Tracer Auth / Reduce Num Calls (#5517 ) Update the session creation and calls --------- Co-authored-by: Ankush Gola <ankush.gola@gmail.com>	1 year ago
Caleb Ellington	c5a7a85a4e	fix chroma update_document to embed entire documents, fixes a characer-wise embedding bug (#5584 ) # Chroma update_document full document embeddings bugfix Chroma update_document takes a single document, but treats the page_content sting of that document as a list when getting the new document embedding. This is a two-fold problem, where the resulting embedding for the updated document is incorrect (it's only an embedding of the first character in the new page_content) and it calls the embedding function for every character in the new page_content string, using many tokens in the process. Fixes #5582 Co-authored-by: Caleb Ellington <calebellington@Calebs-MBP.hsd1.ca.comcast.net>	1 year ago
Kacper Łukawski	71a7c16ee0	Fix: Qdrant ids (#5515 ) # Fix Qdrant ids creation There has been a bug in how the ids were created in the Qdrant vector store. They were previously calculated based on the texts. However, there are some scenarios in which two documents may have the same piece of text but different metadata, and that's a valid case. Deduplication should be done outside of insertion. It has been fixed and covered with the integration tests. --------- Co-authored-by: Dev 2049 <dev.dev2049@gmail.com>	1 year ago
Waldecir Santos	db45970a66	Fix SQLAlchemy truncating text when it is too big (#5206 ) # Fixes SQLAlchemy truncating the result if you have a big/text column with many chars. SQLAlchemy truncates columns if you try to convert a Row or Sequence to a string directly For comparison: - Before: ```[('Harrison', 'That is my Bio That is my Bio That is my Bio That is my Bio That is my Bio That is my Bio That is my Bio That is my Bio That is my Bio That is my Bio ... (2 characters truncated) ... hat is my Bio That is my Bio That is my Bio That is my Bio That is my Bio That is my Bio That is my Bio That is my Bio That is my Bio That is my Bio ')]``` - After: ```[('Harrison', 'That is my Bio That is my Bio That is my Bio That is my Bio That is my Bio That is my Bio That is my Bio That is my Bio That is my Bio That is my Bio That is my Bio That is my Bio That is my Bio That is my Bio That is my Bio That is my Bio That is my Bio That is my Bio That is my Bio That is my Bio ')]``` ## Who can review? Community members can review the PR once tests pass. Tag maintainers/contributors who might be interested: I'm not sure who to tag for chains, maybe @vowelparrot ?	1 year ago
Harrison Chase	342b671d05	add brave search util (#5538 ) Co-authored-by: Dev 2049 <dev.dev2049@gmail.com>	1 year ago
Davis Chase	983a213bdc	add maxcompute (#5533 ) cc @pengwork (fresh branch, no creds)	1 year ago
Bharat Ramanathan	22603d19e0	feat(integrations): Add WandbTracer (#4521 ) # WandbTracer This PR adds the `WandbTracer` and deprecates the existing `WandbCallbackHandler`. Added an example notebook under the docs section alongside the `LangchainTracer` Here's an example [colab](https://colab.research.google.com/drive/1pY13ym8ENEZ8Fh7nA99ILk2GcdUQu0jR?usp=sharing) with the same notebook and the [trace](https://wandb.ai/parambharat/langchain-tracing/runs/8i45cst6) generated from the colab run Co-authored-by: Bharat Ramanathan <ramanathan.parameshwaran@gohuddl.com> Co-authored-by: Dev 2049 <dev.dev2049@gmail.com>	1 year ago
Sheng Han Lim	3bae595182	Add texts with embeddings to PGVector wrapper (#5500 ) Similar to #1813 for faiss, this PR is to extend functionality to pass text and its vector pair to initialize and add embeddings to the PGVector wrapper. Community members can review the PR once tests pass. Tag maintainers/contributors who might be interested: - @dev2049	1 year ago
Zander Chase	ea09c0846f	Add Feedback Methods + Evaluation examples (#5166 ) Add CRUD methods to interact with feedback endpoints + added eval examples to the notebook	1 year ago
Harrison Chase	5ce74b5958	code splitter docs (#5480 ) Co-authored-by: Dev 2049 <dev.dev2049@gmail.com>	1 year ago
Kacper Łukawski	8bcaca435a	Feature: Qdrant filters supports (#5446 ) # Support Qdrant filters Qdrant has an [extensive filtering system](https://qdrant.tech/documentation/concepts/filtering/) with rich type support. This PR makes it possible to use the filters in Langchain by passing an additional param to both the `similarity_search_with_score` and `similarity_search` methods. ## Who can review? @dev2049 @hwchase17 --------- Co-authored-by: Dev 2049 <dev.dev2049@gmail.com>	1 year ago
Ankush Gola	1671c2afb2	py tracer fixes (#5377 )	1 year ago
Blithe	e31705b5ab	convert the parameter 'text' to uppercase in the function 'parse' of the class BooleanOutputParser (#5397 ) when the LLMs output 'yes\|no'，BooleanOutputParser can parse it to 'True\|False', fix the ValueError in parse(). <!-- when use the BooleanOutputParser in the chain_filter.py, the LLMs output 'yes\|no'，the function 'parse' will throw ValueError。 --> Fixes # (issue) #5396 https://github.com/hwchase17/langchain/issues/5396 --------- Co-authored-by: gaofeng27692 <gaofeng27692@hundsun.com>	1 year ago
Harrison Chase	eab4b4ccd7	add simple test for imports (#5461 ) Co-authored-by: Dev 2049 <dev.dev2049@gmail.com>	1 year ago
Janos Tolgyesi	1111f18eb4	Add maximal relevance search to SKLearnVectorStore (#5430 ) # Add maximal relevance search to SKLearnVectorStore This PR implements the maximum relevance search in SKLearnVectorStore. Twitter handle: jtolgyesi (I submitted also the original implementation of SKLearnVectorStore) ## Before submitting Unit tests are included. Co-authored-by: Dev 2049 <dev.dev2049@gmail.com>	1 year ago
Kacper Łukawski	f93d256190	Feat: Add batching to Qdrant (#5443 ) # Add batching to Qdrant Several people requested a batching mechanism while uploading data to Qdrant. It is important, as there are some limits for the maximum size of the request payload, and without batching implemented in Langchain, users need to implement it on their own. This PR exposes a new optional `batch_size` parameter, so all the documents/texts are loaded in batches of the expected size (64, by default). The integration tests of Qdrant are extended to cover two cases: 1. Documents are sent in separate batches. 2. All the documents are sent in a single request.	1 year ago
Matt Wells	1d861dc37a	MRKL output parser no longer breaks well formed queries (#5432 ) # Handles the edge scenario in which the action input is a well formed SQL query which ends with a quoted column There may be a cleaner option here (or indeed other edge scenarios) but this seems to robustly determine if the action input is likely to be a well formed SQL query in which we don't want to arbitrarily trim off `"` characters Fixes #5423 ## Who can review? Community members can review the PR once tests pass. Tag maintainers/contributors who might be interested: For a quicker response, figure out the right person to tag with @ @hwchase17 - project lead Agents / Tools / Toolkits - @vowelparrot	1 year ago
Yoann Poupart	c1807d8408	`encoding_kwargs` for InstructEmbeddings (#5450 ) # What does this PR do? Bring support of `encode_kwargs` for ` HuggingFaceInstructEmbeddings`, change the docstring example and add a test to illustrate with `normalize_embeddings`. Fixes #3605 (Similar to #3914) Use case: ```python from langchain.embeddings import HuggingFaceInstructEmbeddings model_name = "hkunlp/instructor-large" model_kwargs = {'device': 'cpu'} encode_kwargs = {'normalize_embeddings': True} hf = HuggingFaceInstructEmbeddings( model_name=model_name, model_kwargs=model_kwargs, encode_kwargs=encode_kwargs ) ```	1 year ago
ByronHsu	9d658aaa5a	Add more code splitters (go, rst, js, java, cpp, scala, ruby, php, swift, rust) (#5171 ) As the title says, I added more code splitters. The implementation is trivial, so i don't add separate tests for each splitter. Let me know if any concerns. Fixes # (issue) https://github.com/hwchase17/langchain/issues/5170 ## Who can review? Community members can review the PR once tests pass. Tag maintainers/contributors who might be interested: @eyurtsev @hwchase17 --------- Signed-off-by: byhsu <byhsu@linkedin.com> Co-authored-by: byhsu <byhsu@linkedin.com>	1 year ago
Paul-Emile Brotons	a61b7f7e7c	adding MongoDBAtlasVectorSearch (#5338 ) # Add MongoDBAtlasVectorSearch for the python library Fixes #5337 --------- Co-authored-by: Dev 2049 <dev.dev2049@gmail.com>	1 year ago
Harrison Chase	760632b292	Harrison/spark reader (#5405 ) Co-authored-by: Rithwik Ediga Lakhamsani <rithwik.ediga@databricks.com> Co-authored-by: Dev 2049 <dev.dev2049@gmail.com>	1 year ago
UmerHA	8259f9b7fa	DocumentLoader for GitHub (#5408 ) # Creates GitHubLoader (#5257) GitHubLoader is a DocumentLoader that loads issues and PRs from GitHub. Fixes #5257 --------- Co-authored-by: Dev 2049 <dev.dev2049@gmail.com>	1 year ago
German Martin	0b3e0dd1d2	New Trello document loader (#4767 ) # Added New Trello loader class and documentation Simple Loader on top of py-trello wrapper. With a board name you can pull cards and to do some field parameter tweaks on load operation. I included documentation and examples. Included unit test cases using patch and a fixture for py-trello client class. --------- Co-authored-by: Dev 2049 <dev.dev2049@gmail.com>	1 year ago
Harrison Chase	72f99ff953	Harrison/text splitter (#5417 ) adds support for keeping separators around when using recursive text splitter	1 year ago
小铭	cf5803e44c	Add ToolException that a tool can throw. (#5050 ) # Add ToolException that a tool can throw This is an optional exception that tool throws when execution error occurs. When this exception is thrown, the agent will not stop working,but will handle the exception according to the handle_tool_error variable of the tool,and the processing result will be returned to the agent as observation,and printed in pink on the console.It can be used like this: ```python from langchain.schema import ToolException from langchain import LLMMathChain, SerpAPIWrapper, OpenAI from langchain.agents import AgentType, initialize_agent from langchain.chat_models import ChatOpenAI from langchain.tools import BaseTool, StructuredTool, Tool, tool from langchain.chat_models import ChatOpenAI llm = ChatOpenAI(temperature=0) llm_math_chain = LLMMathChain(llm=llm, verbose=True) class Error_tool: def run(self, s: str): raise ToolException('The current search tool is not available.') def handle_tool_error(error) -> str: return "The following errors occurred during tool execution:"+str(error) search_tool1 = Error_tool() search_tool2 = SerpAPIWrapper() tools = [ Tool.from_function( func=search_tool1.run, name="Search_tool1", description="useful for when you need to answer questions about current events.You should give priority to using it.", handle_tool_error=handle_tool_error, ), Tool.from_function( func=search_tool2.run, name="Search_tool2", description="useful for when you need to answer questions about current events", return_direct=True, ) ] agent = initialize_agent(tools, llm, agent=AgentType.ZERO_SHOT_REACT_DESCRIPTION, verbose=True, handle_tool_errors=handle_tool_error) agent.run("Who is Leo DiCaprio's girlfriend? What is her current age raised to the 0.43 power?") ``` ![image](https://github.com/hwchase17/langchain/assets/32786500/51930410-b26e-4f85-a1e1-e6a6fb450ada) ## Who can review? - @vowelparrot --------- Co-authored-by: Dev 2049 <dev.dev2049@gmail.com>	1 year ago
Harrison Chase	2da8c48be1	Harrison/datetime parser (#4693 ) Co-authored-by: Jacob Valdez <jacobfv@msn.com> Co-authored-by: Jacob Valdez <jacob.valdez@limboid.ai> Co-authored-by: Eugene Yurtsev <eyurtsev@gmail.com>	1 year ago
Eduard van Valkenburg	ccb6238de1	Implemented appending arbitrary messages (#5293 ) # Implemented appending arbitrary messages to the base chat message history, the in-memory and cosmos ones. <!-- Thank you for contributing to LangChain! Your PR will appear in our next release under the title you set. Please make sure it highlights your valuable contribution. Replace this with a description of the change, the issue it fixes (if applicable), and relevant context. List any dependencies required for this change. After you're done, someone will review your PR. They may suggest improvements. If no one reviews your PR within a few days, feel free to @-mention the same people again, as notifications can get lost. --> As discussed this is the alternative way instead of #4480, with a add_message method added that takes a BaseMessage as input, so that the user can control what is in the base message like kwargs. <!-- Remove if not applicable --> Fixes # (issue) ## Before submitting <!-- If you're adding a new integration, include an integration test and an example notebook showing its use! --> ## Who can review? Community members can review the PR once tests pass. Tag maintainers/contributors who might be interested: @hwchase17 --------- Co-authored-by: Harrison Chase <hw.chase.17@gmail.com>	1 year ago

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