Hi!

I’m getting this assertion error for exercise 8: `AssertionError: Wrong values for d['costs']. [array(0.00154532)] != [array(0.69314718)]`

But my logistic regression model does seems to be training correctly. Is there an error in the model_test?

Cost after iteration 0: 0.693147

Cost after iteration 100: 0.584508

Cost after iteration 200: 0.466949

Cost after iteration 300: 0.376007

Cost after iteration 400: 0.331463

Cost after iteration 500: 0.303273

Cost after iteration 600: 0.279880

Cost after iteration 700: 0.260042

Cost after iteration 800: 0.242941

Cost after iteration 900: 0.228004

Cost after iteration 1000: 0.214820

Cost after iteration 1100: 0.203078

Cost after iteration 1200: 0.192544

Cost after iteration 1300: 0.183033

Cost after iteration 1400: 0.174399

Cost after iteration 1500: 0.166521

Cost after iteration 1600: 0.159305

Cost after iteration 1700: 0.152667

Cost after iteration 1800: 0.146542

Cost after iteration 1900: 0.140872

train accuracy: 99.04306220095694 %

test accuracy: 70.0 %