Fix filenames when empty suffix given (#363)
* fix(optimization): handle empty file suffix
* fix(quantization): handle empty file suffix
* use pathlibfor save_dir
* run test again
* Update optimum/onnxruntime/quantization.py
Co-authored-by: Ella Charlaix <80481427+echarlaix@users.noreply.github.com>
* ReRun test that failed because of cache (network)
Co-authored-by: Ella Charlaix <80481427+echarlaix@users.noreply.github.com>
