PruningContainer
class torch.nn.utils.prune.PruningContainer(*args)
Container holding a sequence of pruning methods for iterative
   pruning. Keeps track of the order in which pruning methods are
   applied and handles combining successive pruning calls.
Accepts as argument an instance of a BasePruningMethod or an
   iterable of them.
add_pruning_method(method)
  Adds a child pruning "method" to the container.

  Parameters:
     **method** (*subclass of BasePruningMethod*) -- child pruning
     method to be added to the container.

classmethod apply(module, name, args, importance_scores=None, *kwargs)
  Adds the forward pre-hook that enables pruning on the fly and
  the reparametrization of a tensor in terms of the original
  tensor and the pruning mask.

  Parameters:
     * **module** (*nn.Module*) -- module containing the tensor to
       prune

     * **name** (*str*) -- parameter name within "module" on which
