test 5

Author: jeroen

.github/workflows/R-CMD-check.yaml

@@ -34,7 +34,7 @@ jobs:
         run: choco uninstall rtools
 
       - if: runner.os == 'windows'
-        uses: r-windows/actions/install@v1
+        uses: r-windows/install-rtools@master
 
       - if: matrix.config.os == 'ubuntu-18.04'
         run: sudo add-apt-repository ppa:cran/opencv-3.4