langchain/sql_database.py/SQLDatabase/from_uri
class SQLDatabase:    def from_uri(
        cls, database_uri: str, engine_args: Optional[dict] = None, **kwargs: Any
    ) -> SQLDatabase:
        """Construct a SQLAlchemy engine from URI."""
        _engine_args = engine_args or {}
        return cls(create_engine(database_uri, **_engine_args), **kwargs)