Fix unused Python variables outside torch/ and test/ (#136359)

Pull Request resolved: https://github.com/pytorch/pytorch/pull/136359
Approved by: https://github.com/albanD

functorch/dim/delayed_mul_tensor.py

@@ -62,7 +62,6 @@ class DelayedMulTensor(_Tensor):
 
         plhs, levelslhs = self._lhs._tensor, self._lhs._levels
         prhs, levelsrhs = self._rhs._tensor, self._rhs._levels
-        new_dims = tuple(d for d in self.dims if d not in dims)
         new_levels = [l for l in self._levels if l not in dims]
         fmt = "".join(
             [

functorch/dim/reference.py

@@ -198,7 +198,6 @@ def __torch_function__(self, orig, cls, args, kwargs=empty_dict):
 
     if orig in pointwise:
         result_levels = llist()
-        arg_levels = llist()
         to_expand = []
         for i, f in enumerate(flat_args):
             if isinstance(f, TensorLike):
@@ -268,7 +267,6 @@ def positional(self, *dims):
             needs_view = True
 
     permute = list(range(len(levels)))
-    nflat = len(flat_dims)
     for i, d in enumerate(flat_dims):
         try:
             idx = levels.index(d)

functorch/examples/dp_cifar10/cifar10_transforms.py

@@ -214,10 +214,6 @@ def main():
     else:
         generator = None
 
-    augmentations = [
-        transforms.RandomCrop(32, padding=4),
-        transforms.RandomHorizontalFlip(),
-    ]
     normalize = [
         transforms.ToTensor(),
         transforms.Normalize((0.4914, 0.4822, 0.4465), (0.2023, 0.1994, 0.2010)),

functorch/examples/maml_omniglot/maml-omniglot-transforms.py

@@ -145,8 +145,6 @@ def loss_for_task(net, n_inner_iter, x_spt, y_spt, x_qry, y_qry):
 
 
 def train(db, net, device, meta_opt, epoch, log):
-    params = dict(net.named_parameters())
-    buffers = dict(net.named_buffers())
     n_train_iter = db.x_train.shape[0] // db.batchsz
 
     for batch_idx in range(n_train_iter):