POST with nested sub-resources fails with TypeError: unhashable type: 'dict'

POST with nested sub-resources fails with TypeError: unhashable type: 'dict': a task in MiMo-V2.6-RL-harbor-code: MiMo-V2.6-RL Code (Harbor) (Harbor dataset). I'm using Flask-Restless to expose a couple of SQLAlchemy models that have a one-to-many relationship between them, and I'd like clients to…