src/smclarify/bias/metrics/pretraining.py [85:90]:
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    require(sensitive_facet_index.dtype == bool, "sensitive_facet_index must be of type bool")
    xs_a = label[~sensitive_facet_index]
    xs_d = label[sensitive_facet_index]
    (Pa, Pd) = pdfs_aligned_nonzero(xs_a, xs_d)
    if len(Pa) == 0 or len(Pd) == 0:
        raise ValueError("No instance of common facet found, dataset may be too small")
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src/smclarify/bias/metrics/pretraining.py [135:140]:
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    require(sensitive_facet_index.dtype == bool, "sensitive_facet_index must be of type bool")
    xs_a = label[~sensitive_facet_index]
    xs_d = label[sensitive_facet_index]
    (Pa, Pd) = pdfs_aligned_nonzero(xs_a, xs_d)
    if len(Pa) == 0 or len(Pd) == 0:
        raise ValueError("No instance of common facet found, dataset may be too small")
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