# ERROR: No matching distribution found for somepackage==999.0.0

- **ID:** `python/pip-no-distribution-found`
- **Domain:** python
- **Category:** install_error
- **Verification:** ai_generated
- **Fix Rate:** 80%

## Root Cause

The requested package version does not exist on PyPI or the configured index.

## Version Compatibility

| Version | Status | Introduced | Deprecated |
|---------|--------|------------|------------|
| 3.8 | active | — | — |
| 3.9 | active | — | — |
| 3.10 | active | — | — |
| 3.11 | active | — | — |
| 3.12 | active | — | — |

## Workarounds

1. **** (95% success)
   ```
   pip install somepackage==1.2.3
   ```
2. **** (85% success)
   ```
   pip install somepackage==999.0.0 --index-url https://private-pypi.example.com/simple
   ```

## Dead Ends

- **** — Package version unavailability is not a pip version issue; downgrading may break other functionality. (95% fail)
- **** — Random URLs do not contain the package; pip will still fail. (100% fail)