Undoing some unintentional changes

Author: WenkelF

expts/hydra-configs/training/accelerator/toymix_cpu.yaml

@@ -5,7 +5,7 @@ datamodule:
     batch_size_training: 200
     batch_size_inference: 200
     featurization_n_jobs: 4
-    num_workers: 0
+    num_workers: 4
 
 predictor:
   optim_kwargs: {}