multilabel support for data_silo.calculate_class_weights #389
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I was having an issue with using `TextClassificationProcessor(multilabel=True)` together with `data_silo.calculate_class_weights`
I belive this commit solves the issue, please let me know if it's the way to go.
processor = TextClassificationProcessor(
multilabel=True,
)
data_silo = DataSilo(
processor=processor,
batch_size=batch_size)
language_model = LanguageModel.load(lang_model)
prediction_head = MultiLabelTextClassificationHead(
class_weights=data_silo.calculate_class_weights(task_name="text_classification"),
num_labels=len(label_list))
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adds a check to #356 so class weight computations for multi class aren't broken.