Your solution is fine. Pyright can infer the return types, so you don't need to annotate the return type. In fact this is describe in the solution https://gith

Your solution is fine. Pyright can infer the return types, so you don't need to annotate the return type. In fact this is describe in the solution https://github.com/laike9m/Python-Type-Challenges/blob/main/challenges/advanced-generic-class/solution.py#L23 https://github.com/laike9m/Python-Type-Challenges/blob/main/...