More informative error for wrong --language argument #3294
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…ment In multilingual models, the target language is specified via the `--language_idx` argument. However, the `tts` CLI also accepts a `--language` argument for use with Coqui Studio, so it is easy to choose the wrong one, resulting in the following confusing error at synthesis time: ``` AssertionError: ❗ Language None is not supported. Supported languages are ['en', 'es', 'fr', 'de', 'it', 'pt', 'pl', 'tr', 'ru', 'nl', 'cs', 'ar', 'zh-cn', 'hu', 'ko', 'ja'] ``` This commit adds a better error message when `--language` is passed for a non-studio model. Fixes coqui-ai#3270, fixes coqui-ai#3291
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In multilingual models, the target language is specified via the
--language_idxargument. However, thettsCLI also accepts a--languageargument for use with Coqui Studio, so it is easy to choose the wrong one, resulting in the following confusing error at synthesis time:This commit adds a better error message when
--languageis passed for a non-studio model.Fixes #3270, fixes #3291