I have updated Fastai (from 1.0.39 to 1.0.52) and my language model does not work any longer, let me try to explain why as far as I understand:
My learner is created by
Which does not work any longer. Now
(data, arch). Arch seems to be a key for a hidden dictionary
_model_meta, which includes AWD_LSTM, Transformer and TransformerXL (no weights) with hard-coded URLs for saved weights.
Is there a way to provide our own other than manually changing the hidden dictionary