# ERROR: usage: pytest [options] [file_or_dir] [file_or_dir] [...]
pytest: error: unrecognized arguments: --html=report.html

- **ID:** `python/pytest-html-report-missing`
- **Domain:** python
- **Category:** install_error
- **Verification:** ai_generated
- **Fix Rate:** 80%

## Root Cause

The pytest-html plugin is not installed, so the --html option is not recognized.

## Version Compatibility

| Version | Status | Introduced | Deprecated |
|---------|--------|------------|------------|
| 3.2 | active | — | — |

## Workarounds

1. **** (98% success)
   ```
   Run: pip install pytest-html
   ```
2. **** (95% success)
   ```
   Add 'pytest-html' to requirements.txt and reinstall dependencies.
   ```

## Dead Ends

- **** — This generates a different format and doesn't provide HTML reports. (90% fail)
- **** — This loses the HTML report functionality. (80% fail)