cubewar threaded false

config/trainer_config.yaml

     buffer_size: 20480
     hidden_units: 512
     time_horizon: 1000
+    threaded: false
     num_layers: 2
     self_play:
         window: 10
     buffer_size: 20480
     hidden_units: 512
     time_horizon: 1000
+    threaded: false
     num_layers: 2
     self_play:
         window: 10