roboflow/supervision · error · ValueError

unexpected fallback manifest {checks}; expected {_MANIFEST_C

Error message

unexpected fallback manifest {checks}; expected {_MANIFEST_CHECKS}

What it means

Error "unexpected fallback manifest {checks}; expected {_MANIFEST_CHECKS}" thrown in roboflow/supervision.

Source

Thrown at .github/scripts/verify_clean_wheel.py:57

    requirements = metadata.get_all("Requires-Dist", [])
    extras = metadata.get_all("Provides-Extra", [])
    if any("opencv" in requirement.lower() for requirement in requirements):
        raise ValueError(
            f"OpenCV runtime requirement remains in {wheel}: {requirements}"
        )
    if any("opencv" in extra.lower() for extra in extras):
        raise ValueError(f"OpenCV extra remains in {wheel}: {extras}")


def _validate_manifest(manifest: Path) -> None:
    """Keep the installed-wheel fallback smoke contract explicit and complete."""
    checks = {
        s
        for line in manifest.read_text(encoding="utf-8").splitlines()
        if (s := line.strip()) and not s.startswith("#")
    }
    if checks != _MANIFEST_CHECKS:
        raise ValueError(
            f"unexpected fallback manifest {checks}; expected {_MANIFEST_CHECKS}"
        )


def _run_installed_wheel_probe(python: Path) -> None:
    """Exercise the installed fallback without allowing the source tree on sys.path."""
    source = """
import importlib.util
from importlib import metadata
from pathlib import Path

import av
import numpy as np
import supervision
from supervision import _cv2

package_path = Path(supervision.__file__).resolve()
if "site-packages" not in package_path.parts:

View on GitHub (pinned to 7f254d9784)

Solutions

1. Update the verification script's expected manifest checks to match the actual wheel contents, or fix the wheel to match the expected manifest.
2. Investigate which fallback files were added or removed and reconcile _MANIFEST_CHECKS accordingly.

When it happens

Trigger: Thrown at .github/scripts/verify_clean_wheel.py:57 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of roboflow/supervision@7f254d9784 (2026-08-15). Data as JSON: /api/errors/a19d2e649dbe93f6. Report an issue: GitHub.