Replace assertion with ValueError exceptions in run_image_captioning_flax.py (#20365)
* replace 4 asserts with ValueError exception for control flow
* Update examples/flax/image-captioning/run_image_captioning_flax.py
Co-authored-by: Sanchit Gandhi <93869735+sanchit-gandhi@users.noreply.github.com>
* Update examples/flax/image-captioning/run_image_captioning_flax.py
Co-authored-by: Sanchit Gandhi <93869735+sanchit-gandhi@users.noreply.github.com>
* reformatted file
* uninstalled trasformers and applied make style
Co-authored-by: Bibi <Bibi@katies-mac.local>
Co-authored-by: Sanchit Gandhi <93869735+sanchit-gandhi@users.noreply.github.com>