Update base for Update on "Add Wav2Vec2 HuggingFace support"

This is not actually enabled in the benchmark suite as you need
#103001 and also training
is broken per #101160
but might as well review this part first.

Contains #102979 but
I will probably rebase past that once it lands.

Signed-off-by: Edward Z. Yang <ezyangmeta.com>

cc voznesenskym penguinwu anijain2305 EikanWang jgong5 Guobing-Chen XiaobingSuper zhuhaozhe blzheng Xia-Weiwen wenzhe-nrv jiayisunx ipiszy bertmaher

[ghstack-poisoned]

Author: ezyang

torch/nn/utils/weight_norm.py

@@ -4,6 +4,7 @@
 from torch.nn.parameter import Parameter, UninitializedParameter
 from torch import _weight_norm, norm_except_dim
 from typing import Any, TypeVar
+import warnings
 from ..modules import Module
 
 __all__ = ['WeightNorm', 'weight_norm', 'remove_weight_norm']