I have found that half-precision has little effect on speech synthesis quality and, depending on the environment, can reduce file size and memory usage by half, so I have decided to use FP16.
* auto download missing model
* support openi
* [pre-commit.ci] auto fixes from pre-commit.com hooks
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* fix wrong delete
* [pre-commit.ci] auto fixes from pre-commit.com hooks
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* pass pre-commit
* [pre-commit.ci] auto fixes from pre-commit.com hooks
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* fix repeat login
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