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#3012 Fix attribute check for torchaudio backend availability in CodecAugme… #3020

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#3012 Fix attribute check for torchaudio backend availability in CodecAugme… #3020

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@seohyunjun seohyunjun commented Jan 10, 2026 •
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What does this PR do?

Fixes #3012

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Add hasattr() checks before calling torchaudio.list_audio_backends() to maintain compatibility with torchaudio 2.9+, where this function was removed.

Changes

  • speechbrain/augment/codec.py: Added hasattr() check in the docstring example before calling torchaudio.list_audio_backends()
  • tests/unittests/test_augment.py: Added hasattr() check in the test code before calling torchaudio.list_audio_backends()

Context

The torchaudio.list_audio_backends() function was deprecated and removed in torchaudio 2.9. While the main backend checking code in speechbrain/utils/torch_audio_backend.py was already fixed in PRs #2988 and #2989, these two additional locations still had unprotected calls that would cause AttributeError with newer torchaudio versions.

Testing

  • Verified that all calls to torchaudio.list_audio_backends() in the codebase are now protected with hasattr() checks
  • No linting or syntax errors in modified files
  • Changes maintain backward compatibility with older torchaudio versions (< 2.9)

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Successfully merging this pull request may close these issues.

AttributeError: module 'torchaudio' has no attribute 'list_audio_backends'

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