mirror of https://github.com/hwchase17/langchain
sqlalchemy MovedIn20Warning declarative_base DEPRICATION fix (#5676)
fix for the sqlalchemy deprecated declarative_base import : ``` MovedIn20Warning: The ``declarative_base()`` function is now available as sqlalchemy.orm.declarative_base(). (deprecated since: 2.0) (Background on SQLAlchemy 2.0 at: https://sqlalche.me/e/b8d9) Base = declarative_base() # type: Any ``` Import is wrapped in an try catch Block to fallback to the old import if needed. --------- Co-authored-by: Dev 2049 <dev.dev2049@gmail.com>pull/5704/head
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