IndexError: index 26 is out of bounds for axis 1 with size 26

[molyswu]

Hi,
I try to "python3.6 train.py --file /disk2/wts/distillation/distillation/data/matlab/emnist-letters.mat --model cnn"

IndexError: index 26 is out of bounds for axis 1 with size 26

Thanks for you!

[CBHealth]

y_train = to_categorical(y_train-1, nb_classes)
y_test = to_categorical(y_test-1, nb_classes)

source: rstudio/keras3#53

Good luck :-)