In Kaggle kernels, the “/kaggle/input” directory is read-only, so you need to use “/kaggle/working” directory which is read-write.
It can be done if you give the “model_dir” parameter for your Learner (the default is model_dir=‘models’)
Example: vision_learner(dls, resnet34, model_dir=‘/kaggle/working/models’)
You can see vision_learner’s parameters here (but it works with other learners too):