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Length of dataset: 0 Traceback (most recent call last): File "/content/UniversalFakeDetect/train.py", line 70, in ap, r_acc, f_acc, acc = validate(model.model, val_loader) File "/content/UniversalFakeDetect/validate.py", line 116, in validate ap = average_precision_score(y_true, y_pred) File "/usr/local/lib/python3.10/dist-packages/sklearn/metrics/_ranking.py", line 234, in average_precision_score return _average_binary_score( File "/usr/local/lib/python3.10/dist-packages/sklearn/metrics/_base.py", line 75, in _average_binary_score return binary_metric(y_true, y_score, sample_weight=sample_weight) File "/usr/local/lib/python3.10/dist-packages/sklearn/metrics/_ranking.py", line 207, in _binary_uninterpolated_average_precision precision, recall, _ = precision_recall_curve( File "/usr/local/lib/python3.10/dist-packages/sklearn/metrics/_ranking.py", line 878, in precision_recall_curve fps, tps, thresholds = _binary_clf_curve( File "/usr/local/lib/python3.10/dist-packages/sklearn/metrics/_ranking.py", line 787, in _binary_clf_curve tps = stable_cumsum(y_true * weight)[threshold_idxs] File "/usr/local/lib/python3.10/dist-packages/sklearn/utils/extmath.py", line 1142, in stable_cumsum out.take(-1, axis=axis), expected, rtol=rtol, atol=atol, equal_nan=True IndexError: cannot do a non-empty take from an empty axes.

How can i fix it?Is my dataset causing that error?