![python - Retrieving data from RDS gives AttributeError: 'sqlalchemy.cimmutabledict.immutabledict' object has no attribute 'setdefault' - Stack Overflow python - Retrieving data from RDS gives AttributeError: 'sqlalchemy.cimmutabledict.immutabledict' object has no attribute 'setdefault' - Stack Overflow](https://i.stack.imgur.com/pvVsg.png)
python - Retrieving data from RDS gives AttributeError: 'sqlalchemy.cimmutabledict.immutabledict' object has no attribute 'setdefault' - Stack Overflow
![Essential SQLAlchemy: Mapping Python to Databases: Myers, Jason, Copeland, Rick: 9781491916469: Amazon.com: Books Essential SQLAlchemy: Mapping Python to Databases: Myers, Jason, Copeland, Rick: 9781491916469: Amazon.com: Books](https://m.media-amazon.com/images/I/71FfseUObAL._AC_UF1000,1000_QL80_.jpg)
Essential SQLAlchemy: Mapping Python to Databases: Myers, Jason, Copeland, Rick: 9781491916469: Amazon.com: Books
![SQLAlchemy 2 In Practice: Learn to program relational databases in Python step by step , Grinberg, Miguel, eBook - Amazon.com SQLAlchemy 2 In Practice: Learn to program relational databases in Python step by step , Grinberg, Miguel, eBook - Amazon.com](https://m.media-amazon.com/images/I/71OMmFuswCL._SL1500_.jpg)