Update decoding.py (#1155)
* Update decoding.py
Following the suggestions of @Jeronymous in https://github.com/openai/whisper/pull/914 and https://github.com/openai/whisper/discussions/924, it solves the problem of endless loop.
* Removed blank line and whitespaces in empty lines.
* Suggested changes according to the linter
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Co-authored-by: Jong Wook Kim <jongwook@openai.com>
