psycopg2.ProgrammingError: can't adapt type 'subscription.package'

[rrebollo]

https://github.com/CybroOdoo/CybroAddons/blob/b2c207c9052173bfca4659a60ae749d62b2d7046/subscription_package/models/subscription_products.py#L41

This line is throwing psycopg2.ProgrammingError: can't adapt type 'subscription.package' when creating an invoice from a sale order related to any subscription. I got it right changing it by: 'subscription_id': so_id.subscription_id.id}]