setup/check.py.fixed

import transformers


def check_whether_transformers_replace_is_installed_correctly():
    # openpi upstream compares against "5.5.4", but transformers_replace targets
    # the 4.53.2 API (LossKwargs, HybridCache). This SFT checkout pins 4.53.2.
    return transformers.__version__ == "4.53.2"