Akhil Vempali

During the import of langchain, SQLAlchemy was throeing an errror `ImportError: cannot import name 'Mapped' from 'sqlalchemy.orm'`. This is becaue the Mapped name was introduced in v1.4

feat: :sparkles: `from_documents` in TFiDF retireiver

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# `from_documents` in TFiDF retriever Hello Langchainers, just added this method in the TFiDF retriever as it was useful and it does not break any code, it can be useful...

Falcon 40B slow inference

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Currently, I am running Falcon quantized on 4 X Nvidia T4 GPUs, all running on the same system. I am getting `time_per_token` during inference of around 190 ms. Below is...