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fix: replace 3 bare excepts with specific exception types#472

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haosenwang1018 wants to merge 1 commit intofacebookresearch:mainfrom
haosenwang1018:fix/bare-excepts
Open

fix: replace 3 bare excepts with specific exception types#472
haosenwang1018 wants to merge 1 commit intofacebookresearch:mainfrom
haosenwang1018:fix/bare-excepts

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@haosenwang1018
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Summary

Replace 3 bare except: clauses with specific exception types.

Changes

  • sam3/model/tokenizer_ve.py: except:except ValueError: for str.index() lookup
  • scripts/eval/silver/download_preprocess_nga.py: except:except Exception: for download error handling
  • scripts/eval/silver/extract_frames.py: except:except Exception: for image validation

Why

Bare except: catches KeyboardInterrupt and SystemExit, which can mask real errors and prevent clean process termination.

- tokenizer_ve.py: except ValueError for str.index() lookup
- download_preprocess_nga.py: except Exception for download errors
- extract_frames.py: except Exception for image validation

Bare except catches KeyboardInterrupt and SystemExit, masking real errors.
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meta-cla bot commented Feb 25, 2026

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