C3W2 Exercise 10 stuck


receiving the below error:
TypeError: apply_gradients() missing 1 required positional argument: ‘grads_and_vars’

assuming from this line, however i believe it looks ok, and all code before it seems ok
optimizer.apply_gradients(zip(gradients, vars_to_fine_tune))

Help~~ thanks

Hi there,

This line looks fine but I would suggest to have a look on the gradients calculation line especially the loss you are using.

thanks Gent,

think this may be the case, however currently struggling to download and install the object detection API. Taking a very long time. Are you experiencing this?

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Yeah i tried it myself, there might be an issue with it and I will report the issue.