# ImportError: cannot import name 'uvloop' from partially initialized module 'uvloop' (most likely due to a circular import)

- **ID:** `python/starlette-uvloop-importerror`
- **Domain:** python
- **Category:** install_error
- **Verification:** ai_generated
- **Fix Rate:** 80%

## Root Cause

uvloop is not installed or fails to build; uvicorn falls back and the import error surfaces.

## Version Compatibility

| Version | Status | Introduced | Deprecated |
|---------|--------|------------|------------|
| 3.x | active | — | — |

## Workarounds

1. **** (93% success)
   ```
   pip install 'uvicorn[standard]'
   ```
2. **** (90% success)
   ```
   uvicorn app:app --loop asyncio
   ```

## Dead Ends

- **** — Does not fix the missing native dependency. (85% fail)
- **** — Old wheels may not support the interpreter. (80% fail)