numpy.AxisError: axis 1 is out of bounds for array of dimension 1

[quancore]

When eval_metric is auc, it raises an error. The related line is hgboost.py:906 and the related issue is: https://stackoverflow.com/questions/61288972/axiserror-axis-1-is-out-of-bounds-for-array-of-dimension-1-when-calculating-auc