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can't pickle dict_keys objects.
I chose to use multiple GPU for training,I found a problem.The question:type: can not pickle dict_keys objects. I don't know how to solve it,After checking, this problem only occurs on Windows system, but I use ubuntu system Could you tell me how to solve it?,Thank you

Hello,
I also encountered the same issue and it was resolved by replacing this line character.py 56 with self.labels = list(self.vocab_dict.keys())