Update youtube_dl/extractor/tvp.py
Add `txt_or_none()` shim
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@ -35,6 +35,9 @@ if not hasattr(InfoExtractor, '_match_valid_url'):
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RegexNotFoundError,
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)
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def txt_or_none(v, default=None):
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return default if v is None else (compat_str(v).strip() or default)
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BaseIE = InfoExtractor
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class InfoExtractor(BaseIE):
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