Stop calling expand_1d on newer TF versions #20786
Merged
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Tensorflow changed their default
train_stepin version 2.11 to no longer userdata_adapter.expand_1d, and also deleted that method. Since we copied that code for our train step, this made ourtrain_stepstop working in 2.11 when the user was using a non-dummy loss!This PR resolves the issue by not calling
expand_1dfor TF versions >= 2.11.Fixes #20750