@Marc_Dumon 
Screen Shot 2020-01-08 at 12.22.50608×792 24.7 KB
my model file without scaler

Screen Shot 2020-01-08 at 12.23.12762×408 10.5 KB
 standard model file
I met one weird issue - I input the image and then predict wrongly.I used CoreML but the model doesn’t have scaler
@ptrblck