I will also add that I didn’t use a custom DataBunch in for map_data, I created my databunch like this.
I don’t know if that might have had an effect in the error message I am getting.
My comprehension of this error is that it has to do with the initialization of a callback dealing with the Learn class (I might be wrong).
Your help is very much welcomed.
My task actually to make an image to image translatior, to translate satellite images to their google maps images equivalent. I just noticed the ImageImageList itemlist in the library. I tried to use it and was able to create my databunch but the same error persists.
Update: for some reason data.one_batch() outputs a tensor but show_batch() actually shows images although they sometime appear with themselves as target.
It’s hard to say where the problem lies without seeing the whole code and being able to reproduce. Also, make sure you have the latest version of the library as it may be a bug that has been fixed.