Hello, I am getting this error occasionally while maping. Any ideas why and/or how to debug this ? Is this a issue ? Map: 14%|█████████▏ | 999/7030 [6:06:58<36:55:23, 22.04s/ examples] Traceback (most recent call last): File "/Users/user/mini…

Dataset map occasionally throws error

mariosasko January 15, 2024, 7:52pm 2

Hi! Can you share the map transform’s code?

Topic		Replies	Views
'NoneType' object is not subscriptable in .map() writing step 🤗Datasets	1	95	September 30, 2024
KeyError: '__index_level_0__' error with datasets arrow_writer.py 🤗Datasets	3	8494	August 29, 2024
Dataset.map Ignore failed batches 🤗Datasets	3	13	June 13, 2025
Dataset.map returns error: pyarrow.lib.ArrowInvalid: cannot mix list and non-list, non-null values 🤗Datasets	1	1360	January 17, 2025
ArrowTypeError: Expected bytes, got a 'float' object, when trying to make a dataset from a list of dicts 🤗Datasets	10	10799	May 13, 2024