wmt datasets fail to load
caching issue, seems to work again..
~\.cache\huggingface\modules\datasets_modules\datasets\wmt14\43e717d978d2261502b0194999583acb874ba73b0f4aed0ada2889d1bb00f36e\wmt_utils.py in _split_generators(self, dl_manager)
    758         # Extract manually downloaded files.
    759         manual_files = dl_manager.extract(manual_paths_dict)
--> 760         extraction_map = dict(downloaded_files, **manual_files)
    761 
    762         for language in self.config.language_pair:

TypeError: type object argument after ** must be a mapping, not list