Zombie-detection 0.0 result

All seems to be wowrking fine, when i make the final training i get 0.91 loss, and when i run the comparaison cell i get:
237
(4,)

False
False
False
and later a 0.0 score
-What could be the problem ?

The problem could be in many places, as a starter there are quite a few posts about this assignment, check them first!

it’s working rn:
i had to replace :

START CODE HERE

checkpoint_path = β€˜/content/models/research/object_detection/test_data/checkpoint/ckpt-0’

Define a checkpoint that sets model to the temporary model checkpoint

checkpoint = tf.train.Checkpoint(model=tmp_model_checkpoint)

Restore the checkpoint to the checkpoint path

checkpoint.restore(checkpoint_path).expect_partial()### END CODE HERE ###
by:

Define a checkpoint that sets `model= None

checkpoint =tf.train.Checkpoint(model = detection_model)

Restore the checkpoint to the checkpoint path

tmp_model_checkpoint.restore(checkpoint_path).expect_partial()#diffrence here !!!11

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