The goal of a ABC metaclass is that will help you detect gaps as part of your implementation; it under no circumstances was meant to implement the types with the attributes. How can I Merge abc.abstractproperty that has a classmethod for making an "abstract class property"? 3 In combination with https://centralparksector104.co.in/central-park-104-sector-104-gurgaon-a-new-benchmark-in-luxury-living-on-dwarka-expressway/