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langchain[major]: Use InMemoryVectorStore by default in VectorstoreIndexCreator (#19575)

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This is a small breaking change but I think it should be done as:
* No external dependency needs to be installed anymore for the default
to work
* It is vendor-neutral
This commit is contained in:
Christophe Bornet 2024-03-26 15:01:23 +01:00 committed by GitHub
parent 16e64d889a
commit 999365186b
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1 changed files with 2 additions and 2 deletions
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4
libs/langchain/langchain/indexes/vectorstore.py
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@ -3,7 +3,7 @@ from typing import Any, Dict, List, Optional, Type
from langchain_community.document_loaders.base import BaseLoader
from langchain_community.embeddings.openai import OpenAIEmbeddings
from langchain_community.llms.openai import OpenAI
from langchain_community.vectorstores.chroma import Chroma
from langchain_community.vectorstores.inmemory import InMemoryVectorStore
from langchain_core.documents import Document
from langchain_core.embeddings import Embeddings
from langchain_core.language_models import BaseLanguageModel
@ -64,7 +64,7 @@ class VectorStoreIndexWrapper(BaseModel):
class VectorstoreIndexCreator(BaseModel):
"""Logic for creating indexes."""
vectorstore_cls: Type[VectorStore] = Chroma
vectorstore_cls: Type[VectorStore] = InMemoryVectorStore
embedding: Embeddings = Field(default_factory=OpenAIEmbeddings)
text_splitter: TextSplitter = Field(default_factory=_get_default_text_splitter)
vectorstore_kwargs: dict = Field(default_factory=dict)