anki: fix build on darwin

Runtime doesn't work:

ModuleNotFoundError: No module named 'PyQt5.QtWebEngineWidgets'

This is probably because qtwebengine is broken on darwin, but doesn't
fail the build (#40149)

pkgs/games/anki/default.nix

@@ -20,6 +20,7 @@
 , glibcLocales
 , nose
 , send2trash
+, CoreAudio
 # This little flag adds a huge number of dependencies, but we assume that
 # everyone wants Anki to draw plots with statistics by default.
 , plotsSupport ? true
@@ -39,9 +40,13 @@ buildPythonApplication rec {
       sha256 = "08wb9hwpmbq7636h7sinim33qygdwwlh3frqqh2gfgm49f46di2p";
     };
 
-    propagatedBuildInputs = [ pyqt5 sqlalchemy
-      beautifulsoup4 send2trash pyaudio requests decorator markdown ]
-                            ++ lib.optional plotsSupport matplotlib;
+    propagatedBuildInputs = [
+      pyqt5 sqlalchemy beautifulsoup4 send2trash pyaudio requests decorator
+      markdown
+    ]
+      ++ lib.optional plotsSupport matplotlib
+      ++ lib.optional stdenv.isDarwin [ CoreAudio ]
+      ;
 
     checkInputs = [ pytest glibcLocales nose ];
 

pkgs/top-level/all-packages.nix

@@ -20430,7 +20430,9 @@ in
 
   angband = callPackage ../games/angband { };
 
-  anki = python3Packages.callPackage ../games/anki { };
+  anki = python3Packages.callPackage ../games/anki {
+    inherit (darwin.apple_sdk.frameworks) CoreAudio;
+  };
 
   armagetronad = callPackage ../games/armagetronad { };