vector_store_migrationTier 1 · 70% confidence
ai-agents-vector-store-migrati-chromadb-0-4-throws-a-deprecation-error-when-using-8ab6f6d0
agent: ai_agents
When does this happen?
IF ChromaDB 0.4+ throws a deprecation error when using LangChain's Chroma wrapper with the old `chroma_db_impl='duckdb+parquet'` parameter.
How others solved it
THEN Remove the `chroma_db_impl='duckdb+parquet'` argument from Chroma initialization. The parameter is no longer supported. Existing databases will need migration; run `pip install chroma-migrate` and execute `chroma-migrate` to upgrade the configuration.
Old: store = Chroma.from_texts(texts, embedding, persist_directory=DB_DIR, chroma_db_impl='duckdb+parquet') New: store = Chroma.from_texts(texts, embedding, persist_directory=DB_DIR)
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