Conversationalretrievalchain langchain github. conversational_retrieval.
Conversationalretrievalchain langchain github Always a pleasure to dive into these intriguing issues with you. While we're waiting for a human maintainer, I'm here to help you troubleshoot bugs, answer your questions, and guide you in contributing. ipynb - langchain-conversationalretrievalchain-with-memory. Mar 9, 2016 · Hi, @mail2mhossain!I'm Dosu, and I'm helping the LangChain team manage their backlog. In the context shared, the from_template method of the ChatPromptTemplate class creates a Nov 20, 2023 · System Info LangChain Version: 0. chains import ConversationalRetrievalChain, RetrievalQA from langchain. It is designed to take a question and chat history as input, generate a new question for retrieval, fetch relevant documents, and then combine these documents to Jan 26, 2024 · In the above code, the ConversationBufferMemory instance is passed to the ConversationalRetrievalChain constructor via the memory argument. If the token is not part of the prompts, it is added 🤖. Nov 30, 2023 · 🤖. I understand that you've been working with the ConversationalRetrievalChain in the LangChain Python framework and you're interested in inspecting both the source documents and the generated question. I'm here to help! Based on the information you've provided, it seems like the issue might be related to how the "Final Jun 1, 2023 · Hi, @hussainwali74!I'm Dosu, and I'm here to help the LangChain team manage their backlog. from_llm to LCEL method (create_history_aware_retriever, create_stuff_documents_chain and create_retrieval_chain) When I stream the result, I observed that the the condensed_question that being generated also being returned. Let's tackle this issue together! To address your queries: Checking the Reframed Question: To check the reframed question, you can modify the ConversationalRetrievalChain to return the reframed question. I would like to know if there is any such feature which is supported using Langchain combining Azure Cognitive Search with LLM. The bug is not resolved by updating to the latest stable version of LangChain (or the specific integration package). 9} bot Sign up for a free GitHub account to open an Jun 14, 2023 · Cant make memory work with ConversationalRetrievalChain. Filter is used to create the filter. Checked other resources I added a very descriptive title to this question. This is done through the search_kwargs attribute of the Oct 30, 2023 · 🤖. Based on the information from similar issues in the LangChain repository, you can utilize the MultiRetrievalQAChain class to route between multiple retrievals and leverage the ConversationalRetrievalChain class to respond to follow-up questions. Jul 4, 2023 · Hi, @czmmiao, I'm helping the LangChain team manage our backlog and am marking this issue as stale. The MultiRetrievalQAChain class supports routing to multiple BaseRetrievalQA chains, which is a Hi, @DhavalThkkar!I'm Dosu, and I'm helping the LangChain team manage their backlog. Hi there, Thank you for your feature request and for providing a detailed explanation of your motivation behind it. Let's get started! Based on the information you've provided, it seems like the issue you're experiencing is related to the way the Aug 23, 2023 · I am using ConversationalRetrievalChain for the RAG question-answer bot. vectorstores import Chroma llm = ChatOpenAI () retriever = vectorstore. To do this, you can use the ConversationalRetrievalChain which allows for passing in a chat history. It seems like you're encountering a problem when trying to return source documents using ConversationalRetrievalChain with ConversationBufferWindowMemory. Apr 26, 2023 · Before we proceed, we would like to confirm if this issue is still relevant to the latest version of the LangChain repository. Hello @artemvk7,. retrievers import BaseRetriever # Load the Llama Jan 16, 2024 · Description. conversational_retrieval. as_retriever(), memory=memory) we do not need to pass history at all. The first method involves using a ChatMemory instance, such as ConversationBufferWindowMemory, to manage the chat history. chat_models A conversational chatbot using Langchain's ConversationalRetrievalChain for efficient chat-history-aware and context-aware interactions. Aug 6, 2023 · Answer generated by a 🤖. Notifications You must be signed in to change notification settings; Fork Sign up for a free GitHub account to open an issue and contact its maintainers and the Using ConversationalRetrievalChain along with ConversationBufferMemory #6872. I am trying to implement the new way of creating a RAG chain with memory, since ConversationalRetrievalChain is deprecated. Aug 1, 2023 · Answer generated by a 🤖. The roles are mapped in the _ROLE_MAP dictionary, where "human" is mapped to Apr 1, 2023 · Hi, @cwfparsonson!I'm Dosu, and I'm here to help the LangChain team manage their backlog. from_llm` Hi, So I have a rag application/chatbot, uses conversationalretrivalqa chain from Langchain, say if for questions like 'Hi' and all retrieval is happening, and its Sign up for free to join this conversation on GitHub. Feel free to ask any questions you might have. from_llm(OpenAI(temperature=0), Oct 11, 2023 · from langchain. You signed out in another tab or window. Feb 21, 2024 · 🤖. callbacks import get_openai_callback from langchain. Otherwise, feel free to close the issue yourself, or the issue will be automatically closed in 7 days. Based on the information provided, it seems that you are experiencing an issue with the user query being changed after the first query when using the ConversationalRetrievalChain. From what I understand, you were encountering difficulties using ConversationalRetrievalChain. In LangChain, you can pass a system message and chat history to a May 6, 2023 · You signed in with another tab or window. From what I understand, the issue involves the inability to apply a filter to a key with multiple values in the ConversationalRetrievalChain Vectorstore. 5-turbo mode and the chain ConversationalRetrievalChain and ConversationBufferMemory to manage the history. This is my current attempt, and it does normal qa seemlessly, but for the tasks which requires tools, it sorts of hangs up. However, I'm struggling to find the solution out to solve my simple problem : If the user after some exchanges with chatbot enters a polite phrase to thanks the chabot like "Thanks for the information" or ConversationalRetrievalChain-> {'question', 'answer', 'source_documents'} If you are using memory with each chain type. You need to pass the second prompt when you are using the create_prompt method. ipynb Skip to content All gists Back to GitHub Sign Oct 17, 2023 · In this example, "second_prompt" is the placeholder for the second prompt. if the chain output has only one key memory will get the output by default. Hello, Based on the information you've provided and the context from the repository, it seems like you're experiencing an issue with the ConversationalRetrievalChain generating random questions and answers after adding memory. 330 Chroma version 0. qdrant_models. Hi Ken, Based on the information you've provided, it seems like you're trying to modify the prompt used in the ConversationalRetrievalChain. I wanted to let you know that we are marking this issue as stale. For e. If this solution doesn't align with your experience, I would recommend upgrading to the latest version of LangChain to ensure you have all the latest Dec 28, 2023 · 🤖. This behavior is intentional and is due to the way the chain is configured. question_answering import Aug 30, 2023 · 🤖. if there is more than 1 output keys: use the relevant output key for the chain for example in ConversationalRetrievalChain Nov 3, 2023 · System Info LangChain version 0. Hello @sergej-d,. I used the GitHub search to find a similar question and I searched the LangChain documentation with the integrated search. prompts import PromptTemplate import time from langchain. You've tried different approaches, but haven't been successful. This will allow the ConversationalRetrievalChain to use the ConversationBufferMemory for storing and retrieving conversation history. Hello @kakagawa!I'm Dosu, an AI here to assist you. Hi, I am trying to use ConversationalRetrievalChain with Azure Cognitive Search as retriever with streaming capabilities enabled. I would appreciate any help here. Hi there, Thanks for your interest in LangChain and for your question. I'm here to assist you with your query. FieldCondition is used to specify the conditions, and qdrant_models. 2. Currently, the ConversationalRetrievalChain does not support returning similarity scores directly. 10. Jun 8, 2023 · The chatbot uses gpt-3. The general implementation is functioning, as before switching to ConversationalRetrievalChain I was using RetrievalQAWithSourcesChain and it was working. Aug 12, 2023 · 🤖. load_qa_with_sources_chain (are type of CombineDocumentsChain): Puts all the docs in the context window directly using method various methods, it doesn't uses a document retriever. I have made a ConversationalRetrievalChain with ConversationBufferMemory. 15 This may either be a true bug or just documentation issue, but I implemented the simplest possible version of a ConversationalRetrievalChain nearly directly from the documentati Nov 3, 2023 · 🤖. chat_models import ChatOpenAI from langchain. If I go with RAG approach I don't get as accurate results as my previous setup. from_llm method? I am trying to create a support chatbot with our indexed knowledge base as embeddings in Pinecone. The problem seems to be that the chain is not generating a meaningful standalone question from the "Hello" message in the context of the chat history, which is leading to May 12, 2023 · Issue you'd like to raise. it seems like the ConversationalRetrievalChain. Nov 9, 2023 · In this code, qdrant_models. In your case, you're using Dec 27, 2023 · 🤖. token_buffer import ConversationTokenBufferMemory from langchain. I'm an AI bot designed to help solve bugs, answer questions, and guide you in becoming a contributor while you're waiting for a human maintainer. The prompt given to the model explicitly instructs it to answer based on the Aug 28, 2024 · I have a custom chatbot setup using ConversationalRetrievalChain, but so far I'm struggling to integrate tools within it. I used the GitHub search to find a similar question and didn't find it. chat_models import ChatOpenAI from langchain. streamlit as st import openai import os import pinecone import streamlit as st from dotenv import load_dotenv from langchain. 🚀. Jul 13, 2023 · This is just one potential solution and it might need to be adjusted according to your specific needs. I can't find a straightforward way to do it. Hey there, @Chai1237!Great to see you diving into another LangChain adventure. Ingredients: Chains: create_history_aware_retriever, Apr 14, 2023 · LangChain-ConversationalRetrievalChain-with-Memory. Hello, From your code, it seems like you're trying to combine results from your local documents and the internet to generate responses for your chatbot. This way, the qa instance is kept in memory and doesn't need to be re-initialized for every request. Let's look into your issue with LangChain. From what I understand, you were looking for an example of Hey @aHardReset!Great to see you diving into another adventure with us. From what I understand, you raised an issue regarding the ConversationalRetrievalChain in Langchain not being robust to default conversation memory configurations. Hello @kunZooberg!I'm here to help you with any bugs, questions, and contributing needs. from_llm( # 2 days ago · Chain for having a conversation based on retrieved documents. messages import BaseMessage from langchain_core. When I don't try to override the prompt template, it is functional, but I Jun 18, 2024 · Description. The problem is Sign up for a free GitHub account to open an issue and contact its maintainers and from langchain. It seems like you were seeking guidance on customizing the question_generator_chain in ConversationalRetrievalChain to improve the performance of the prompt for condensing chat history. Based on the information you've provided and the context from the LangChain repository, it seems like the issue is related to the input keys for the ConversationalRetrievalChain. Hello, Thank you for bringing this issue to our attention. Oct 25, 2023 · 🤖. 339 Python version: 3. from_llm method in the LangChain framework, you can modify the condense_question_prompt parameter. Based on the information you've provided and the context of similar issues in the LangChain repository, it seems like the ConversationalRetrievalChain. 3 ConversationalRetrievalChain works perfectly and i get awesome output. Aug 17, 2023 · I'm trying to use a ConversationalRetrievalChain along with a ConversationBufferMemory and return_source_documents set to True. You can find more information about this in the LangChain repository. 11 Who can help? @chase Information The official example notebooks/scripts My own modified scripts Related Components LLMs/Chat Models Embedding Models Prompts / Prompt Templates / Prompt Selectors Oct 11, 2023 · from langchain. llms import HuggingFacePipeline from langchain. I understand that you're seeking clarification on the difference between ConversationChain and ConversationalRetrievalChain in the LangChain framework. The formatting instructions are handled by the _get_chat_history function, which formats the chat history based on the role of the message sender. 10 Based on the information you've provided and the similar issues I found in the LangChain repository, it seems like you're trying to integrate the ConversationalRetrievalChain with history into a Gradio app. from langchain_core. 0 chains guide suggests using LCEL as a replacement for ConversationChain and different chains like history_aware_retriever, create_stuff_documents_chain, and create_retrieval_chain for ConversationalRetrievalChain instead of using pipe operator sequences for both because:. Motivation. from_llm(OpenAI(temperature=0), vectorstore. From what I understand, the issue you reported is related to the ConversationalRetrievalChain + Memory setup in LangChain. Hello @lfoppiano!Good to see you again. from_llm function. You can pass in your prompt template as a ChatPromptTemplate object. From what I understand, you are facing an issue with setting the max_tokens limit using ConversationalRetrievalChain. The ConversationalRetrievalChain in LangChain is designed to handle the Oct 28, 2023 · Feature request Module: langchain. i want to give the bot name ,character and behave (system message prompt ) users use different languages how can i let the bot take user input then translate it to English then parse it with my data which is by English Nov 10, 2023 · I'm helping the LangChain team manage their backlog and am marking this issue as stale. However when kwarg memory is not passed like so qa = ConversationalRetrievalChain. base. Thank you for raising this issue. Oct 11, 2023 · Hi, @muge-birlik, I'm helping the LangChain team manage their backlog and am marking this issue as stale. vector_store. Jan 26, 2024 · 🤖. Look forward to hearing a working solution on this given retrieval is a common use case in conversation May 3, 2024 · The 16k model should be used considering the amount of data being fed to the model # old chain: # chain = ConversationalRetrievalChain. You would need to call the get_history method on the chat_memory instance to retrieve May 3, 2024 · Description. I hope your project is going well. You can access this list to read the chat history. Example Code May 10, 2023 · I'm Dosu, and I'm here to help the LangChain team manage their backlog. Based on similar issues that have been resolved in the LangChain repository, there are a few potential solutions that you could consider: Im migrating my code which using LEGACY method: ConversationalRetrievalChain. Hello, Yes, it is indeed possible to split the formatting instructions into system roles for response generation in ConversationalRetrievalChain. Based on the information you've provided and the context from similar issues, it appears that the Apr 23, 2023 · Hi, @eRuaro!I'm here to help the LangChain team manage their backlog and I wanted to let you know that we are marking this issue as stale. Is this expected? System Info. Hello @Rohith295,. Hello @yen111445, nice to see you again!Hope you're having a good day. You have already tried different models and Jan 31, 2024 · I searched the LangChain documentation with the integrated search. memory import ConversationBufferMemory from langchain. embeddings import OpenAIEmbeddings from langchain. Hello, Thank you for reaching out and providing detailed information about your issue. I appreciate you reaching out with another insightful query regarding LangChain. I understand that the rephrasing of queries in the Conversational Retrieval Chain is causing a delay in responses and the rephrased query is being shown to the user, which is not desirable. From what I understand, the issue you reported was about the Nov 13, 2023 · Hello, I built a simple langchain app using ConversationalRetrievalChain and langserve. Jun 10, 2023 · langchain-ai / langchain Public. However when it comes to stream API, it returns entire answer after a while, Oct 24, 2023 · 🤖. The chain's main function is to retrieve relevant documents based on the Oct 16, 2023 · from langchain. Hey there, @Srikanthdongalajsr!I'm here to help you with any bugs, questions, or contributions you have in mind. 4. Reload to refresh your Aug 31, 2023 · Issue you'd like to raise. It is working great for its invoke API. Thanks. MatchValue are used to match the values. I'm Dosu, a bot here to assist while we wait for a human maintainer. 3 days ago · The ConversationalRetrievalChain was an all-in one way that combined retrieval-augmented generation with chat history, allowing you to "chat with" your documents. Oct 21, 2023 · 🤖. e. The ConversationalRetrievalChain is indeed designed to Aug 2, 2023 · Answer generated by a 🤖. To reach this goal, I wrote this code: db_client = MongoCl Apr 19, 2023 · Hi I have one question I want to use search_distance with ConversationalRetrievalChain Here is my code: vectordbkwargs = {"search_distance": 0. as May 27, 2023 · All of them differ basis how the information is retrieved from sources and how it is passed in the context to the LLM. from langchain. The following code initializes the chatbot instance using ConversationalRetrievalChain with the 'return_source_documents' parameter: Aug 11, 2023 · You signed in with another tab or window. langchain-ai / langchain Public. You can indeed add a config chain before the ConversationalRetrievalChain to dynamically set the retriever's search parameters (k, fetch_k, lambda_mult) based on the question. memory. memory import ConversationBufferMemory from langchain. Navigation Menu You must provide an embedding function to compute embeddings. For your requirement to reply to greetings but not to irrelevant questions, you can use the response_if_no_docs_found parameter in the from_llm method of ConversationalRetrievalChain. Here's how I would suggest you proceed. This variable is passed as an input to the question_generator chain, which generates a new standalone question based on the current question and chat history. Currently, when using ConversationalRetrievalChain (with the from_llm() function), we have to run the input through a LLMChain with a default "condense_question_prompt" which condenses the chat history and Feb 21, 2024 · 🤖. This parameter is used to generate a standalone Hey @nmeyen, great to see you diving into another intriguing challenge with LangChain!Looking forward to unpacking this one together 🚀. qa_with_sources Nov 14, 2023 · 🤖. Nov 17, 2023 · 🤖. Let's get started! To add a call to the weather_function in your ConversationalRetrievalChain, you would need to modify Oct 27, 2023 · 🤖. You need to ensure that the template of condense_question_prompt contains the document_variable_name context. From what I understand, the issue you reported is that the ConversationalRetrievalChain method is returning the prompt instead of the answer. from_llm to answer a question based on a tutorial. Based on the information you've provided and the similar issues I found in the LangChain repository, you can create a custom retriever that inherits from the BaseRetriever class and overrides the _get_relevant_documents method. Add a parameter to ConversationalRetrievalChain to skip the condense question prompt procedure. Based on the context you've provided, it seems you want to use a GPT4 model to query SQL tables/views and use the returned data for answering while maintaining the chat in memory. To pass system instructions to the ConversationalRetrievalChain. ConversationalRetrievalChain qa = ConversationalRetrievalChain( retriever=self. See below for an example implementation using create_retrieval_chain. Apr 2, 2023 · You signed in with another tab or window. Based on the current implementation of the LangChain framework, it appears that there isn't a built-in method to "hot swap" memory in the Aug 15, 2023 · I am trying to create a ConversationalRetrievalChain with memory, return_source_document=True and a custom retriever which returns content and url of the document. This chain can be used to allow for follow-up questions. Aug 14, 2023 · 🤖. chains. Example Code. However, there hasn't been any activity or Mar 28, 2024 · I searched the LangChain documentation with the integrated search. Based on your code and the description of your problem, it seems like you're trying to enforce a specific sequence of tasks or steps in your conversation. Based on the information you've provided and the similar issues I found in the LangChain repository, it seems like you might be facing an issue with the way the memory is being used in the load_qa_chain function. Mar 28, 2023 · I need to supply a 'where' value to filter on metadata to Chromadb similarity_search_with_score function. Let's get started on your issue! Based on the information you've provided and the similar issues I found in the LangChain repository, it seems like the problem might be related Hi, @brunopistone!I'm Dosu, and I'm here to help the LangChain team manage their backlog. I'm here to help you troubleshoot issues, answer questions, and guide you in contributing to the project. Hello, Based on the information you provided and the context from the LangChain repository, there are a couple of ways you can change the final prompt of the ConversationalRetrievalChain without modifying the LangChain source code. However, when I ask something that requires some kind of operation involving the chain's memory, I get back the expected answer, but it is returned twice. In LangChain version 0. vectorstores import Qdrant from Nov 24, 2023 · Hi all, I'm in the process of converting langchain python to js and having some issues. You can change the main prompt in ConversationalRetrievalChain by passing it in via Jun 28, 2023 · Feature request. langchain=0. Based on the similar issues and solutions found in the LangChain repository, you can achieve this by using the ConversationalRetrievalChain class in from transformers import AutoModelForCausalLM, AutoTokenizer, pipeline from langchain. There has been some discussion in the Checked other resources I added a very descriptive title to this question. I am using a ConversationalRetrievalChain with ChatOpenAI where I would like to stream the last answer of the chain to stdout. Is there some way to do it when I kickoff my chain? Any hints, hacks, plans to support? Dec 27, 2023 · In this code, condense_question_prompt is the BasePromptTemplate instance used to initialize the LLMChain. The issue has been unresolved, and I have Dec 14, 2023 · In this modification, we store the prompts in the on_llm_start method and then check if the token is part of the prompts in the on_llm_new_token method. Additionally, please note that the AzureOpenAI class Jun 6, 2023 · Hi, @startakovsky!I'm Dosu, and I'm here to help the LangChain team manage their backlog. Thank you for your interest in contributing to LangChain! Your understanding is correct, currently there is no way to pass the filter dynamically on the call of the ConversationalRetrievalChain. document_loaders import TextLoader 6 days ago · Retrieval is a common technique chatbots use to augment their responses with data outside a chat model’s training data. It seems you want to pass a system message and chat history to a ConversationalRetrievalChain. llm_cache = InMemoryCache () @digitake This statement is true: LLM model doesn't necessarily to be the same(to my knowledge) for document Oct 18, 2023 · 🤖. From the issue #5984, it was suggested to update to the latest version of the software as it may have fixed the issue. from_llm method is returning a new question instead of the Jul 12, 2023 · Answer generated by a 🤖. However, the ConversationalRetrievalChain class in LangChain is designed to handle a more 🤖. Based on the information you've provided and the codebase of LangChain, it seems like the ConversationalRetrievalChain is not designed to handle categories directly. Jul 20, 2023 · You've identified that ConversationalRetrievalChain might be a solution, but you're unsure how to integrate it into your existing architecture. When using in python qa = ConversationalRetrievalChain. It would be better if the LangChain developers provide an official way to control the LLM call based on the rephrase_question parameter. In this example, the qa instance is created when the Flask application starts and is stored in a global variable. Let's tackle this issue together! The ConversationalRetrievalChain is designed to answer questions based on the retrieved documents. To address this, you might want to consider using the RocksetChatMessageHistory class provided in the LangChain framework. g. https://python. This class is deprecated. cache import InMemoryCache langchain. Let's work together to find a solution! Based on the information you've provided and the similar issues I found in the LangChain repository, it seems like you want to Apr 7, 2023 · Hello everyone. As for the exact role of the I omitted the custom template text for company safety, the scraping and database building functions. Hello, Based on your request, it seems you want to modify the ConversationalRetrievalChain to return similarity scores along with the documents when using the FAISS vector store. Clearer Internals: The ConversationalRetrievalChain hides an entire Dec 16, 2023 · 🤖. Reload to refresh your session. while using ChromaDB and ConversationalRetrievalChain #20326. It's great to hear that you are Jul 18, 2023 · Answer generated by a 🤖. outputs import ChatGeneration # Define the prompt template template = ( "Combine the chat history and I searched the LangChain documentation with the integrated search. It looks like you requested a feature to only return the final answer when using ConversationalRetrievalChain, and @MuriloBianco also experienced the same issue and provided some details and code snippets. 348 does not provide a method or callback specifically designed for modifying the final prompt to remove sensitive information after the source documents are injected and before it is sent to the LLM. Hello @summer1704!I'm Dosu, a friendly bot here to assist you with LangChain. The idea is, that I have a vector store with a conversational retrieval chain. While we wait for a human maintainer, I'm ready to help you solve bugs, answer your questions, and guide you on contributing to the project. Hello @RishiMalhotra920,. chains import ConversationalRetrievalChain from langchain. MatchAny and qdrant_models. I hope this helps! Let me The migrating v0. Jun 14, 2023 · System Info langchain : 0. Dismiss alert Dec 20, 2023 · 🤖. Hi @ComeBackTo2016!. From what I understand, you are requesting a feature to add a parameter that allows the avoidance of generating a new question in the ConversationalRetrievalChain class. from_llm, and I want to create other functions such as send an email, etc. In this case, you might need to debug the ConversationalRetrievalChain class to see where it's failing to use the AzureChatOpenAI instance correctly. The class provides methods and attributes for setting up and interacting with the Azure OpenAI API, but it does not provide a direct way to retrieve the cost of a call. Notifications You must be signed in to change notification settings; Jun 26, 2023 · How to provide user context information using ConversationalRetrievalChain I have a chatbot which searches for documents in Azure Cognitive Search, then gets the results into ChromaDB and then gets a response back to the user using OpenAI. From what I understand, you were looking for a way to retrieve conversation logs in the ConversationalRetrievalChain, specifically the condensed standalone question. Currently, the SelfQueryRetriever class in the LangChain framework allows for the configuration of keyword arguments (kwargs) that can be passed to the vector store search. I'm Dosu, a friendly bot here to help you with your LangChain issues while we wait for a human maintainer. Oct 30, 2023 · In response to Dosubot: As per the documentation here when using qa = ConversationalRetrievalChain. Mar 10, 2011 · System Info Langchain 0. You've also May 31, 2023 · I'm Dosu, and I'm here to help the LangChain team manage their backlog. Apr 12, 2023 · import langchain from langchain. You can find more information about this in the LangChain documentation here. From what I understand, you opened this issue to ask for guidance on accessing the text printed to stdout in the ConversationalRetrievalChain with streaming. I understand that you're experiencing an issue with the ConversationalRetrievalChain in LangChain when continuously sending "Hello" messages. You can achieve this by Sep 7, 2023 · Hi, @Tsukumizu, I'm helping the LangChain team manage their backlog and am marking this issue as stale. I searched the LangChain documentation with the integrated search. I'm here to help! Based on the provided context, it seems that the cache is not getting Sep 3, 2023 · Pass these formatted messages to your StuffDocumentChain and ConversationalRetrievalChain instances. Everything works well. If it is, please let us know by commenting on this issue. Here's a step-by-step guide on how you can achieve this: Create a new chain: This new chain will wrap around Apr 13, 2023 · Hi, @CreationLee!I'm Dosu, and I'm here to help the LangChain team manage their backlog. You can find more information about the RetrievalQA class in the LangChain Dec 3, 2023 · 🤖. I saw some people looking for something like this, here: langchain-ai#3991 and something similar here: langchain-ai#5555 This is just a Dec 24, 2023 · Based on the information I found in the LangChain repository, there are a few ways you can add a prompt template to the ConversationalRetrievalChain. How's everything going in your coding journey? 😄👾. Dismiss alert Mar 11, 2024 · i am creating a chatbot by langchain so i am using a ConversationalRetrievalChain , so i want to determine some prompts to improve my output. While we wait for a human maintainer, feel free to ask me any questions you might have. I am sure that this is a bug in LangChain rather than my code. This seems to perform rather poorly in several scenarios involving PDF documents, with 2 issues frequently arising: The model seems to default quite often to "I don't know" or "I cannot find the information in the context provided", despite the fact that Jul 19, 2023 · I understand that you're seeking more detailed documentation on how to pass context (LangChain documents) to the ConversationalRetrievalChain in LangChain. Then, in the query route, you can use this global qa instance to handle the requests. Sign up for a free GitHub account to open an issue and contact its maintainers and the community. In your current implementation, you are storing the chat history in the chat_history list. However, if you want to access the chat history during a reply, you can use the ConversationBufferMemory class, which is Aug 27, 2023 · 🤖. 322, the required input keys for the ConversationalRetrievalChain are May 23, 2023 · Hi, @gzimh!I'm Dosu, and I'm here to help the LangChain team manage their backlog. I'm here to assist you with your question about integrating SQL data retrieval with the ConversationalChatAgent in the LangChain framework. Mar 9, 2013 · Hi, @pradeepdev-1995!I'm Dosu, and I'm here to help the LangChain team manage their backlog. However, there is a similar open issue #5067 in the LangChain May 31, 2023 · ConversationalRetrievalChain new_question only from the question_generator only for retrieval and not for combine_docs_chain. from_llm( llm=llm, retriever=retriever, condense_question_prompt=standalone_question_prompt, r Mar 6, 2024 · Hey @2narayana, great to see you diving into another interesting challenge with LangChain!How have things been since our last chat? Based on the context provided, it seems like you want to filter the documents in the May 1, 2023 · I'm trying to build a chatbot that can chat about pdfs, and I got it working with memory using ConversationBufferMemory and ConversationalRetrievalChain like in this example. The code is not providing the output in a streaming manner. How's everything going? Based on the context provided, it seems you're trying to use ConversationKGMemory with ConversationalRetrievalChain. Hey @shraddhaa26, great to see you back with another interesting question!Hope you've been doing well. Example Code Dec 26, 2023 · 🤖. Here's how you can do it: First, you need to initialize your ConversationKGMemory instance. The chat_history is reported as filled in the input section of the ConversationalRetrievalChain, even when the initial memory is Jul 7, 2023 · If this doesn't resolve your issue, it's possible that there's a problem with how the ConversationalRetrievalChain is handling the AzureChatOpenAI instance. You switched accounts on another tab or window. Hello, Thank you for your question. I am able to generate the right response when I call the chain for the fi Jul 3, 2023 · Hello, Based on the names, I would think RetrievalQA or RetrievalQAWithSourcesChain is best served to support a question/answer based support chatbot, but we are getting good results with Conversat Apr 24, 2024 · How to properly use `ConversationalRetrievalChain. The should parameter is used for OR conditions and the must parameter is used for AND conditions. However, it's not clear how the ConversationalRetrievalChain is handling the documents from the internet. from_llm method is repeating the question in the answer because the rephrase_question attribute is set to True by default. I'm trying to use ConversationalRetrievalChain with the ChatGoogleGenerativeAI integration. prompts import PromptTemplate from langchain. 247 Python 3. Im setting the qa object as bel Mar 20, 2024 · Based on the context provided, it seems that the ConversationalRetrievalChain class in LangChain version 0. chains import ConversationalRetrievalChain from langchain. - blitzapurv/QAbot-Langchain Oct 23, 2023 · To view the context that was used to answer a specific question in the ConversationalRetrievalChain of the LangChain framework, you can access the chat_history variable directly. The exact way to do this will depend on the specific methods and interfaces provided by these classes, which are not included in the provided context. However, I don't need the sources and I wanted a custom template, which I'm not sure I can Jan 14, 2024 · 🤖. Based on my understanding, you reported an issue regarding caching with SQLiteCache or InMemoryCache not working when using ConversationalRetrievalChain. Closed akshayghatiki311 opened this issue Jun 28, 2023 Oct 31, 2023 · Hi community, I am developing an app to interact (Q&A) with several documents previously embedded and stored into a MongoDB Atlas cluster. Hello @afif-malghani,. From what I understand, you were having trouble changing the system template in conversationalRetrievalChain. I'm Dosu, an AI bot here to assist you with your issues, help answer your questions, and guide you in your journey as a contributor to LangChain. Notifications You must be signed in to change notification settings; Sign up for a free GitHub account to open an issue and contact its memory = ConversationBufferMemory(memory_key="chat_history", return_messages=True) qa = ConversationalRetrievalChain. Based on the current implementation of the AzureChatOpenAI class in LangChain, there is no built-in method or attribute that allows retrieving the cost of a call. Notifications You must be signed in to change notification settings; Sign up for a free GitHub account to open an issue and contact its maintainers and the community. This section will cover how to implement retrieval in the Adjust Chain Methods: In the ConversationalRetrievalChain, specifically in the _call and _acall methods, ensure the new metadata fields are included in the inputs passed to the Apr 29, 2024 · LangChain provides us with Conversational Retrieval Chain that works not just on the recent input, but the whole chat history. Hello @nelsoni-talentu!Great to see you again in the LangChain community. Hello, Yes, it is indeed possible to combine a simple chat agent that answers user questions with a document retrieval chain for specific inquiries from your documents in the LangChain framework. at the same time i also need to track my usage on openai api call. Whether you need help solving bugs, have questions, or want to learn how to contribute, I'm here to assist you. The behavior you're observing in LangSmith is actually a feature of the ConversationalRetrievalChain in LangChain, not a bug. so that when a user queries for something, it determines if it should use the Conv retrieval chain or the other functions such as sending an email function, and it seems I need to Currently, ConversationalRetrievalChain or ConversationBufferMemory itself is storing history in Dynamodb, but i want to know a way to store history manually in dynamodb. If you want to change this prompt, Feature request. One way is to use the combine_docs_chain_kwargs argument when calling the ConversationalRetrievalChain. 8 Windows 10 Enterprise 21H2 When creating a ConversationalRetrievalChain as follows: CONVERSATION_RAG_CHAIN_WITH_SUMMARY_BUFFER = ConversationalRetrievalChain( combine_docs_cha Nov 18, 2023 · Im building an embedded chatbot using langchain and openai its working fine but the issue is that the responses takes around 15-25 seconds and i tried to use Sign up for a free GitHub account to open an issue and contact its from langchain. You're also interested in separating the retriever functionality. 197 docker python alpine image : 3. Nice to meet you! I'm Dosu, a bot designed to assist with your inquiries, bug-solving, and contributions to the LangChain repository while we wait for a human maintainer. . I appreciate the detailed issue report. stuff the default method - which puts the docs Sep 1, 2023 · 🤖. When you send a POST request to the "/chain" endpoint with a ConversationalRetrievalChain object, FastAPI will automatically convert the ChainModel object into a dictionary using the dict() function, which can then be serialized into JSON. Based on my understanding, you are experiencing slow response times when using ConversationalRetrievalQAChain and pinecone. as_retriever () memory = CustomConversationBufferMemory (memory_key = "chat_history", Aug 14, 2023 · 🤖. Answer. Apr 30, 2024 · Migrating from ConversationalRetrievalChain - Problems with chat model's memory Checked other resources I added a very descriptive title to this question. Hello again, @pengkang1991!Good to see you diving deep into LangChain. The chain is having trouble remembering the last question that I have made, i. from_llm Aug 28, 2023 · In this example, ChainModel is a Pydantic model that includes a ConversationalRetrievalChain object. Hi, From your code, it seems like you're trying to combine the results from your local documents and the internet search into one list and then pass it to the ConversationalRetrievalChain. However, the ConversationalRetrievalChain expects the documents parameter to be a list of Document objects, not a list of strings or other data types. Based on the information you've provided, it seems like you're trying to add chat history to a RetrievalQA chain. The default prompt used in this chain is CONDENSE_QUESTION_PROMPT, which is used to condense the chat history and new question into a standalone question for the retrieval step. Great to see you again! I hope you're having a good day. Based on the context provided, there are two main ways to pass the actual chat history to the _acall method of the ConversationalRetrievalChain class. May 2, 2023 · My use case is to generate diff indexes with diff embeddings and sources for a more colorful results then filtering them with one or many document formatters. chains import LLMChain from langchain_core. As for your question about achieving short-term memory and long-term Apr 11, 2024 · I searched the LangChain documentation with the integrated search. 11. Let's dive into your issue. How's everything going? Based on the context provided, it seems you're trying to Apr 2, 2023 · Memory with ChatOpenAI works fine for the Conversation chain, but not fully compatible with ConversationalRetrievalChain. Hey @jais001!Good to see you back here with us again. I am trying to use the conversation langchain to help with my companys internal documentation however when I call the conversation chain using the get_conversation_chain function, it takes forever to run, like it was taking 1 hour so I Dec 21, 2023 · The ConversationalRetrievalChain in LangChain does not directly support streaming replies. Hello @Kittyxox!Nice to meet you. If you believe this is a bug that could impact other users, feel free to make a pull request with the necessary changes. 🤖. when I ask "which was my l Dec 28, 2023 · 🤖. i have a chromadb store that contains 3 to 4 pdfs stored, and i need to search the database for documents with metadata by the filter={'source':'PDFname'}, so it doesnt return with different docs Jan 5, 2024 · 🤖. However, there are a few workarounds that you can Oct 25, 2023 · ConversationalRetrievalChain returns sources to questions without relevant documents. chains import ConversationalRetrievalChain chain Nov 21, 2023 · 🤖. You're currently unsure how to modify your setup to achieve this. There have been some comments suggesting that this issue Nov 7, 2023 · 🤖. 0. Thank you for your contribution to the LangChain repository! langchain-ai / langchain Public. I used the GitHub search to find a similar question and Skip to content. When invoked, the chain outputs the correct and expected answer. langcha Jun 17, 2023 · How do I override PromtTemplate for ConversationalRetrievalChain. Example Code May 8, 2023 · I'm Dosu, and I'm here to help the LangChain team manage their backlog. fmj hvprp lkiqic zqz srtur mcugq kfbtgt ihc tfeiui ebzkzf