### Describe the bug `pip install --upgrade diffusers[torch]` with Python 3.12 results in a failed installation, with one the (many) errors being: `ERROR: Could not find a version that satisfies the requirement torch (from versions: none)` Workaround: Use Python 3.11. Note: Writing this to hopefully save others from a day of head scratching. ### Reproduction Run `pip install --upgrade diffusers[torch]` using Python 3.12 ### Logs _No response_ ### System Info Python 3.12.x ### Who can help? _No response_