opencv: remove with statements

pkgs/development/libraries/opencv/3.x.nix

@@ -134,9 +134,9 @@ let
   };
 
   # See opencv/cmake/OpenCVDownload.cmake
-  installExtraFiles = extra : with lib; ''
+  installExtraFiles = extra : ''
     mkdir -p "${extra.dst}"
-  '' + concatStrings (mapAttrsToList (name : md5 : ''
+  '' + lib.concatStrings (lib.mapAttrsToList (name : md5 : ''
     ln -s "${extra.src}/${name}" "${extra.dst}/${md5}-${name}"
   '') extra.files);
 
@@ -197,7 +197,7 @@ stdenv.mkDerivation {
     ++ lib.optional enableFfmpeg ffmpeg
     ++ lib.optionals (enableFfmpeg && stdenv.isDarwin)
                      [ VideoDecodeAcceleration bzip2 ]
-    ++ lib.optionals enableGStreamer (with gst_all_1; [ gstreamer gst-plugins-base ])
+    ++ lib.optionals enableGStreamer [ gst_all_1.gstreamer gst_all_1.gst-plugins-base ]
     ++ lib.optional enableOvis ogre
     ++ lib.optional enableGPhoto2 libgphoto2
     ++ lib.optional enableDC1394 libdc1394
@@ -292,13 +292,13 @@ stdenv.mkDerivation {
     };
   };
 
-  meta = with lib; {
+  meta = {
     description = "Open Computer Vision Library with more than 500 algorithms";
     homepage = "https://opencv.org/";
     # OpenCV 3 won't build with CUDA 12+
     broken = enableCuda && cudaPackages.cudaAtLeast "12";
-    license = with licenses; if enableUnfree then unfree else bsd3;
-    maintainers = with maintainers; [mdaiter basvandijk];
-    platforms = with platforms; linux ++ darwin;
+    license = if enableUnfree then lib.licenses.unfree else lib.licenses.bsd3;
+    maintainers = with lib.maintainers; [mdaiter basvandijk];
+    platforms = with lib.platforms; linux ++ darwin;
   };
 }