psaks

Possibly related to #1733

A workaround that prevents the downstream issues is to replace the else branch as follows; ``` copied_fit_kwargs = copy.copy(fit_kwargs) # Remove early-stopping since no validation data. # Remove early-stopping since...

Or use the official image from AWS ... https://gallery.ecr.aws/sam/build-python3.9 `public.ecr.aws/sam/build-python3.9:latest`