[BUG] my CNNSearchSpace implementation had to change in order for distributed training to work.

[lovettchris]

Describe the bug
I had the quick start CNNSearchSpace to start with, but when I started using it in an AsyncModelEvaluator it started crashing because in that case the mutate and crossover methods are called with ArchaiModel objects that have an uninitialize arch model. All they have is an archid.

To Reproduce

See cnn_search_space.py and compare this with the one in the quickstart notebook.

Expected behavior

We need to change the EvolutionarySearchSpace api so that it encourages the creation of a search space that works in both sync and async modes.

[asdafa3]

How did you solve it? The linked file does not exist anymore.