DataConversionWarning: A column-vector y was passed when a 1d array was expected

[sara-mft]

The following warning while training a neural network model on the BankChurners dataset. One way to resolve this is by adding train_y.values.ravel() in the fit method.

python3.9/site-packages/sklearn/preprocessing/_label.py:114: DataConversionWarning: A column-vector y was passed when a 1d array was expected. Please change the shape of y to (n_samples, ), for example using ravel(). y = column_or_1d(y, warn=True)