 can be a branch name, a tag name, a commit id, or any identifier
allowed by Git.   custom_revision (str, optional, defaults to "main") —
The specific model version to use. It can be a branch name, a tag name, or a commit id similar to
revision when loading a custom pipeline from the Hub. It can be a 🤗 Diffusers version when loading a
custom pipeline from GitHub, otherwise it defaults to "main" when loading from the Hub.   mirror (str, optional