WARNING:tensorflow:sample_weight modes were coerced from … to ['…']

Question

Training an image classifier using .fit_generator() or .fit() and passing a dictionary to class_weight= as an argument.

I never go

Answer 1

instead of providing a dictionary

weights = {'0': 42.0, '1': 1.0}

i tried a list

weights = [42.0, 1.0]

and the warning disappeared.