# Install romatch in editable mode and ensure OpenCV has GUI (cv2.imshow) on Windows. # albumentations may pull opencv-python-headless; we remove it and keep opencv-python. $ErrorActionPreference = "Stop" Set-Location $PSScriptRoot\.. Write-Host "==> pip install -e ." python -m pip install -e . Write-Host "==> Remove opencv-python-headless (if present)" python -m pip uninstall -y opencv-python-headless 2>$null Write-Host "==> Ensure opencv-python (GUI)" python -m pip install --upgrade opencv-python Write-Host "==> Quick check" python -c "import cv2; cv2.namedWindow('_t'); cv2.destroyAllWindows(); print('OpenCV GUI OK:', cv2.__version__)"