ValueError: optimizer got an empty parameter list

[King4819]

[23:35:14.705] =================FLAGS==================
[23:35:14.705] gpu: 0
[23:35:14.705] dataset: cifar10
[23:35:14.705] arch: resnet50
[23:35:14.705] sparsity_level: 0.3
[23:35:14.705] lr: 0.01
[23:35:14.705] lambd: 0.5
[23:35:14.705] epochs: 10
[23:35:14.705] log_interval: 100
[23:35:14.706] train_batch_size: 128
[23:35:14.706] expanded_inchannel: 80
[23:35:14.706] seed: 1
[23:35:14.706] num_classes: 10
[23:35:14.706] device: cuda
[23:35:14.706] logdir: ./logs/seed-1/cifar10-resnet50/channel-80-sparsity-0.30
[23:35:14.706] ========================================
[23:35:14.706] ==> Preparing data..
[23:35:15.184] ==> Initializing model...
[23:35:16.123] ==> Transforming model...
Traceback (most recent call last):
File "/home/n26120642/Test_folder/pruning-from-scratch/learn_gates.py", line 98, in
optimizer = torch.optim.Adam(gates_params, lr=args.lr)
File "/home/n26120642/anaconda3/envs/test_env/lib/python3.10/site-packages/torch/optim/adam.py", line 137, in init
super(Adam, self).init(params, defaults)
File "/home/n26120642/anaconda3/envs/test_env/lib/python3.10/site-packages/torch/optim/optimizer.py", line 61, in init
raise ValueError("optimizer got an empty parameter list")
ValueError: optimizer got an empty parameter list