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Three modules use invalid escapes in non-raw string literals: - fun_text_processing/text_normalization/normalize.py - \., \w - funasr/models/fsmn_kws/encoder.py - \[ - funasr/models/fun_asr_nano/tools/format5res.py - \. On Python 3.12+ each raises SyntaxWarning: invalid escape sequence on import, and FunASR runs the 3.10-3.12 CI matrix. Escaping the backslashes leaves every string value identical (ruff W605-style). Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_014HBQNzAf5C2E3MiJC48HQw
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Problem
Three first-party modules use invalid escape sequences in non-raw string literals:
fun_text_processing/text_normalization/normalize.py-\.,\wfunasr/models/fsmn_kws/encoder.py-\[funasr/models/fun_asr_nano/tools/format5res.py-\.On Python 3.12+ each raises
SyntaxWarning: invalid escape sequenceon import.Why it matters for FunASR
FunASR declares
requires-python >=3.7.0and runs the 3.10-3.12 CI matrix, so the warnings surface on the 3.12 job.Fix
Escape the backslashes; every string value (and the regexes built from them) is byte-for-byte identical (ruff W605-style). (An identical copy of
format5res.pyunderexamples/was left untouched to keep this scoped to the package source.)Verification
In-memory
compile()under-W erroris clean on all three files after (raised before); each module's AST is unchanged.🤖 Generated with Claude Code
https://claude.ai/code/session_014HBQNzAf5C2E3MiJC48HQw