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langchain: Fix Neo4jVector vector store reference from partner package for self query #28292

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langchain: Fix Neo4jVector vector store reference from partner package for self query #28292

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8 changes: 8 additions & 0 deletions libs/langchain/langchain/retrievers/self_query/base.py
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Original file line number Diff line number Diff line change
Expand Up @@ -161,6 +161,14 @@ def _get_builtin_translator(vectorstore: VectorStore) -> Visitor:
if isinstance(vectorstore, MongoDBAtlasVectorSearch):
return MongoDBAtlasTranslator()

try:
from langchain_neo4j import Neo4jVector
except ImportError:
pass
else:
if isinstance(vectorstore, Neo4jVector):
return Neo4jTranslator()

try:
from langchain_chroma import Chroma
except ImportError:
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1 change: 1 addition & 0 deletions pyproject.toml
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Expand Up @@ -36,6 +36,7 @@ langchain-fireworks = { path = "libs/partners/fireworks", develop = true }
langchain-google-vertexai = { git = "https://github.com/langchain-ai/langchain-google.git", subdirectory = "libs/vertexai" }
langchain-groq = { path = "libs/partners/groq", develop = true }
langchain-mistralai = { path = "libs/partners/mistralai", develop = true }
langchain-neo4j = { path = "libs/partners/neo4j", develop = true }
langchain-together = { git = "https://github.com/langchain-ai/langchain-together.git", subdirectory = "libs/together" }
langchain-unstructured = { git = "https://github.com/langchain-ai/langchain-unstructured.git", subdirectory = "libs/unstructured" }
langgraph = { git = "https://github.com/langchain-ai/langgraph.git", subdirectory = "libs/langgraph" }
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