Python 3.13 continues the cleanup of legacy modules. If your code imports any of the following, it will raise ModuleNotFoundError .
| Platform | Status | |----------|--------| | iOS (PEP 730) | ✅ Tier 3 (experimental) | | WASI (PEP 731) | ✅ Tier 3 | | Android | No official tier, but community patches merged | | macOS | 10.9 (Mavericks) minimum → now 10.13 (High Sierra) | | Windows | Windows 10/11 only; Windows 7/8 unsupported | | Linux | glibc 2.17+ | python 313 release notes verified