Add a docstring for the AutoencoderKL's encode (#5239)
* Add docstring for the AutoencoderKL's encode
#5229
* Support Python 3.8 syntax in AutoencoderKL.decode type hints
Co-authored-by: Patrick von Platen <patrick.v.platen@gmail.com>
* Follow the style guidelines in AutoencoderKL's encode
#5230
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Co-authored-by: stano <>
Co-authored-by: Patrick von Platen <patrick.v.platen@gmail.com>