Haithem Jarraya

Happy to make a PR for this, I made the change get_obs_shape and tests ran successfully, will add a test for regression sake. I am new to this codebase, it...

I would do `spaces.MultiBinary([5, 4, 5])` for example when you have 5 worker queues capacity with 4 types of jobs at 5 different timesteps. Where 1 is busy and 0...