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[CLI]: "property 'model' of 'WandbCallback' object has no setter" #7578
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hey @stellarpower - I was able to reproduce this with the general Callback class as well. is this occurring when you try accessing Also, please note that WandbCallback is a legacy callback so we recommend using the three new callback we added in 0.13.4 (docs here 20) |
Hi, thakns. I don't think so, as I don't think I hit this problem with the other callback; I use the legacy callback because I think there isn't a new one for logging gradients, and that's one of the main reasons for using W&B, as this isn't available in Tensorboard anymore. So I generally run my models with both. I'll let you know if I see evidence ot hte contrary though. |
Describe the bug
I believe something has changed in Keras 3 (at least in the master branch) relating to how callbacks are handled - the Callbacks class now has a
model
member built in; this is a python attribute, and so means that trying to assign to it in the constructor of a callback raises an exception that the model is read-only and so has no assignment function.I actually hit this in my own callbvack earlier today, and I don't know if this is potentially a bug in Keras or it's something that will be here to stay in stable releases, but I see it in
keras-nightly 3.3.3.dev2024050603
, and assuming the latter, lines like this one will be a problem - by the time the parent constructor has run, self.model is already a member of the class, and is actually wrapping the hidden member, hence the issue with trying to assign to it.The quick and dirty workaround I took in my own code was simply to give the variable a different name (e.g.
Model
-_model
is already in use, I believe).Cheers
Additional Files
No response
Environment
WandB version: This affects master
OS:
Python version:
Versions of relevant libraries: Keras 3.3.3 nightly with TF (although it ought to be backend-agnostic)
Additional Context
No response
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