in src/responsibleai/rai_analyse/_score_card/_rai_insight_data.py [0:0]
def _replace_labels(y, primary_label, other_label, is_numeric_label):
# for multi class scenario, replacing all labels with other_label except for primary_label.
if is_numeric_label:
y = y.astype('U')
if y.dtype.itemsize / 4 < len(other_label):
y = y.astype(f"U{len(other_label)}")
y[y != primary_label] = other_label
return y