Codegen more abstract abstract classes 3a (#106)

* Soup code, arch search on CIFAR-10

* Oh I understood how choice_sequence() worked

* Undo some pointless changes

* Some beautification 1

* Some beautification 2

* An attempt to debug test_get_algo_outputs() number 70, unsuccessful.

* Code style warning

* Code style warnings, more

* wip

* wip

* wip

* fix almost everything; soup machine still broken

* revert mpi_eda changes

* minor fixes

baselines/common/vec_env/__init__.py

@@ -30,13 +30,12 @@ class VecEnv(ABC):
     each observation becomes an batch of observations, and expected action is a batch of actions to
     be applied per-environment.
     """
-
+    closed = False
+    viewer = None
     def __init__(self, num_envs, observation_space, action_space):
         self.num_envs = num_envs
         self.observation_space = observation_space
         self.action_space = action_space
-        self.closed = False
-        self.viewer = None # For rendering
 
     @abstractmethod
     def reset(self):