TypeError: a bytes-like object is required, not 'str'

[vcvishal]

thank you for your code
when i try to run, it gives following error
BATCH SIZE: 100
EPOCHS: 20
RANDOM SEED: 42
NOISE STD: 0.2
LR DECAY EPOCH: 15
CUDA: False

Loading Data
Traceback (most recent call last):
File "ladder/ladder.py", line 283, in
main()
File "ladder/ladder.py", line 127, in main
train_labelled_images = pickle.load(f)
TypeError: a bytes-like object is required, not 'str'

would you please help me
thank you

[999Yy999]

try to add a reading mode 'mode='rb'' in the 'open' method