ROCM error running on cpu

[HironoKenta]

Running first step I got this error, I have an old AMD gpu that ROCM doesn't support.
I temporally fixed by removing such check into epub2tts_kokoro/epub2tts_kokoro.py.

((.venv) ) user@fedora-pc-scrivania:~/epub2tts-kokoro$ epub2tts-kokoro '/home/user/ebook.epub' 
Traceback (most recent call last):
  File "/home/user/epub2tts-kokoro/.venv/bin/epub2tts-kokoro", line 7, in <module>
    sys.exit(main())
             ^^^^^^
  File "/home/user/epub2tts-kokoro/.venv/lib/python3.12/site-packages/epub2tts_kokoro/epub2tts_kokoro.py", line 532, in main
    elif torch.backends.rocm.is_available():
         ^^^^^^^^^^^^^^^^^^^
  File "/home/user/epub2tts-kokoro/.venv/lib/python3.12/site-packages/torch/backends/__init__.py", line 60, in __getattr__
    return self.m.__getattribute__(attr)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
AttributeError: module 'torch.backends' has no attribute 'rocm'