JFHoelscher

`File ".../unet/model.py", line 212, in fit_dataset **val_logs, **train_logs} UnboundLocalError: local variable 'val_logs' referenced before assignment` The `val_dataset` argument to `fit_dataset` is optional. However, if none is provided, `val_logs` is not...

If a `response_map` argument is required whenever 'response_columns' are given, this should be made explicit in the documentation and with an appropriate error message. As it is, one could think...