diff --git a/pkgs/games/anki/default.nix b/pkgs/games/anki/default.nix
index 1548a9de63a..489e72768ea 100644
--- a/pkgs/games/anki/default.nix
+++ b/pkgs/games/anki/default.nix
@@ -22,179 +22,187 @@
 , setuptools
 , 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.
+  # 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
-# manual
+  # manual
 , asciidoc
 }:
 
 let
-    # when updating, also update rev-manual to a recent version of
-    # https://github.com/dae/ankidocs
-    # The manual is distributed independently of the software.
-    version = "2.1.15";
-    sha256-pkg = "12dvyf3j9df4nrhhnqbzd9b21rpzkh4i6yhhangn2zf7ch0pclss";
-    rev-manual = "8f6387867ac37ef3fe9d0b986e70f898d1a49139";
-    sha256-manual = "0pm5slxn78r44ggvbksz7rv9hmlnsvn9z811r6f63dsc8vm6mfml";
+  # when updating, also update rev-manual to a recent version of
+  # https://github.com/dae/ankidocs
+  # The manual is distributed independently of the software.
+  version = "2.1.15";
+  sha256-pkg = "12dvyf3j9df4nrhhnqbzd9b21rpzkh4i6yhhangn2zf7ch0pclss";
+  rev-manual = "8f6387867ac37ef3fe9d0b986e70f898d1a49139";
+  sha256-manual = "0pm5slxn78r44ggvbksz7rv9hmlnsvn9z811r6f63dsc8vm6mfml";
 
-    manual = stdenv.mkDerivation {
-      pname = "anki-manual";
-      inherit version;
-      src = fetchFromGitHub {
-        owner = "dae";
-        repo = "ankidocs";
-        rev = rev-manual;
-        sha256 = sha256-manual;
-      };
-      phases = [ "unpackPhase" "patchPhase" "buildPhase" ];
-      nativeBuildInputs = [ asciidoc ];
-      patchPhase = ''
-        # rsync isnt needed
-        # WEB is the PREFIX
-        # We remove any special ankiweb output generation
-        # and rename every .mako to .html
-        sed -e 's/rsync -a/cp -a/g' \
-            -e "s|\$(WEB)/docs|$out/share/doc/anki/html|" \
-            -e '/echo asciidoc/,/mv $@.tmp $@/c \\tasciidoc -b html5 -o $@ $<' \
-            -e 's/\.mako/.html/g' \
-            -i Makefile
-        # patch absolute links to the other language manuals
-        sed -e 's|https://apps.ankiweb.net/docs/|link:./|g' \
-            -i {manual.txt,manual.*.txt}
-        # there’s an artifact in most input files
-        sed -e '/<%def.*title.*/d' \
-            -i *.txt
-        mkdir -p $out/share/doc/anki/html
-      '';
+  manual = stdenv.mkDerivation {
+    pname = "anki-manual";
+    inherit version;
+    src = fetchFromGitHub {
+      owner = "dae";
+      repo = "ankidocs";
+      rev = rev-manual;
+      sha256 = sha256-manual;
     };
+    phases = [ "unpackPhase" "patchPhase" "buildPhase" ];
+    nativeBuildInputs = [ asciidoc ];
+    patchPhase = ''
+      # rsync isnt needed
+      # WEB is the PREFIX
+      # We remove any special ankiweb output generation
+      # and rename every .mako to .html
+      sed -e 's/rsync -a/cp -a/g' \
+          -e "s|\$(WEB)/docs|$out/share/doc/anki/html|" \
+          -e '/echo asciidoc/,/mv $@.tmp $@/c \\tasciidoc -b html5 -o $@ $<' \
+          -e 's/\.mako/.html/g' \
+          -i Makefile
+      # patch absolute links to the other language manuals
+      sed -e 's|https://apps.ankiweb.net/docs/|link:./|g' \
+          -i {manual.txt,manual.*.txt}
+      # there’s an artifact in most input files
+      sed -e '/<%def.*title.*/d' \
+          -i *.txt
+      mkdir -p $out/share/doc/anki/html
+    '';
+  };
 
 in
 buildPythonApplication rec {
-    pname = "anki";
-    inherit version;
+  pname = "anki";
+  inherit version;
 
-    src = fetchurl {
-      urls = [
-        "https://apps.ankiweb.net/downloads/current/${pname}-${version}-source.tgz"
-        # "https://apps.ankiweb.net/downloads/current/${name}-source.tgz"
-        # "http://ankisrs.net/download/mirror/${name}.tgz"
-        # "http://ankisrs.net/download/mirror/archive/${name}.tgz"
-      ];
-      sha256 = sha256-pkg;
-    };
-
-    outputs = [ "out" "doc" "man" ];
-
-    propagatedBuildInputs = [
-      pyqtwebengine sqlalchemy beautifulsoup4 send2trash pyaudio requests decorator
-      markdown jsonschema setuptools
-    ]
-      ++ lib.optional plotsSupport matplotlib
-      ++ lib.optional stdenv.isDarwin [ CoreAudio ]
-      ;
-
-    checkInputs = [ pytest glibcLocales nose ];
-
-    nativeBuildInputs = [ pyqtwebengine.wrapQtAppsHook ];
-    buildInputs = [ lame mplayer libpulseaudio  ];
-
-    patches = [
-      # Disable updated version check.
-      ./no-version-check.patch
+  src = fetchurl {
+    urls = [
+      "https://apps.ankiweb.net/downloads/current/${pname}-${version}-source.tgz"
+      # "https://apps.ankiweb.net/downloads/current/${name}-source.tgz"
+      # "http://ankisrs.net/download/mirror/${name}.tgz"
+      # "http://ankisrs.net/download/mirror/archive/${name}.tgz"
     ];
+    sha256 = sha256-pkg;
+  };
 
-    buildPhase = ''
-      # Dummy build phase
-      # Anki does not use setup.py
+  outputs = [ "out" "doc" "man" ];
+
+  propagatedBuildInputs = [
+    pyqtwebengine
+    sqlalchemy
+    beautifulsoup4
+    send2trash
+    pyaudio
+    requests
+    decorator
+    markdown
+    jsonschema
+    setuptools
+  ]
+  ++ lib.optional plotsSupport matplotlib
+  ++ lib.optional stdenv.isDarwin [ CoreAudio ]
+  ;
+
+  checkInputs = [ pytest glibcLocales nose ];
+
+  nativeBuildInputs = [ pyqtwebengine.wrapQtAppsHook ];
+  buildInputs = [ lame mplayer libpulseaudio ];
+
+  patches = [
+    # Disable updated version check.
+    ./no-version-check.patch
+  ];
+
+  buildPhase = ''
+    # Dummy build phase
+    # Anki does not use setup.py
+  '';
+
+  postPatch = ''
+    # Remove unused starter. We'll create our own, minimalistic,
+    # starter.
+    # rm anki/anki
+
+    # Remove QT translation files. We'll use the standard QT ones.
+    rm "locale/"*.qm
+
+    # hitting F1 should open the local manual
+    substituteInPlace anki/consts.py \
+      --replace 'HELP_SITE="http://ankisrs.net/docs/manual.html"' \
+                'HELP_SITE="${manual}/share/doc/anki/html/manual.html"'
+  '';
+
+  # UTF-8 locale needed for testing
+  LC_ALL = "en_US.UTF-8";
+
+  checkPhase = ''
+    # - Anki writes some files to $HOME during tests
+    # - Skip tests using network
+    env HOME=$TMP pytest --ignore tests/test_sync.py
+  '';
+
+  installPhase = ''
+    pp=$out/lib/${python.libPrefix}/site-packages
+
+    mkdir -p $out/bin
+    mkdir -p $out/share/applications
+    mkdir -p $doc/share/doc/anki
+    mkdir -p $man/share/man/man1
+    mkdir -p $out/share/mime/packages
+    mkdir -p $out/share/pixmaps
+    mkdir -p $pp
+
+    cat > $out/bin/anki <<EOF
+    #!${python}/bin/python
+    import aqt
+    aqt.run()
+    EOF
+    chmod 755 $out/bin/anki
+
+    cp -v anki.desktop $out/share/applications/
+    cp -v README* LICENSE* $doc/share/doc/anki/
+    cp -v anki.1 $man/share/man/man1/
+    cp -v anki.xml $out/share/mime/packages/
+    cp -v anki.{png,xpm} $out/share/pixmaps/
+    cp -rv locale $out/share/
+    cp -rv anki aqt web $pp/
+
+    # copy the manual into $doc
+    cp -r ${manual}/share/doc/anki/html $doc/share/doc/anki
+  '';
+
+  dontWrapQtApps = true;
+
+  preFixup = ''
+    makeWrapperArgs+=(
+      "''${qtWrapperArgs[@]}"
+      --prefix PATH ':' "${lame}/bin:${mplayer}/bin"
+    )
+  '';
+
+  # now wrapPythonPrograms from postFixup will add both python and qt env variables
+
+  passthru = {
+    inherit manual;
+  };
+
+  meta = with lib; {
+    homepage = "https://apps.ankiweb.net/";
+    description = "Spaced repetition flashcard program";
+    longDescription = ''
+      Anki is a program which makes remembering things easy. Because it is a lot
+      more efficient than traditional study methods, you can either greatly
+      decrease your time spent studying, or greatly increase the amount you learn.
+
+      Anyone who needs to remember things in their daily life can benefit from
+      Anki. Since it is content-agnostic and supports images, audio, videos and
+      scientific markup (via LaTeX), the possibilities are endless. For example:
+      learning a language, studying for medical and law exams, memorizing
+      people's names and faces, brushing up on geography, mastering long poems,
+      or even practicing guitar chords!
     '';
-
-    postPatch = ''
-      # Remove unused starter. We'll create our own, minimalistic,
-      # starter.
-      # rm anki/anki
-
-      # Remove QT translation files. We'll use the standard QT ones.
-      rm "locale/"*.qm
-
-      # hitting F1 should open the local manual
-      substituteInPlace anki/consts.py \
-        --replace 'HELP_SITE="http://ankisrs.net/docs/manual.html"' \
-                  'HELP_SITE="${manual}/share/doc/anki/html/manual.html"'
-    '';
-
-    # UTF-8 locale needed for testing
-    LC_ALL = "en_US.UTF-8";
-
-    checkPhase = ''
-      # - Anki writes some files to $HOME during tests
-      # - Skip tests using network
-      env HOME=$TMP pytest --ignore tests/test_sync.py
-    '';
-
-    installPhase = ''
-      pp=$out/lib/${python.libPrefix}/site-packages
-
-      mkdir -p $out/bin
-      mkdir -p $out/share/applications
-      mkdir -p $doc/share/doc/anki
-      mkdir -p $man/share/man/man1
-      mkdir -p $out/share/mime/packages
-      mkdir -p $out/share/pixmaps
-      mkdir -p $pp
-
-      cat > $out/bin/anki <<EOF
-      #!${python}/bin/python
-      import aqt
-      aqt.run()
-      EOF
-      chmod 755 $out/bin/anki
-
-      cp -v anki.desktop $out/share/applications/
-      cp -v README* LICENSE* $doc/share/doc/anki/
-      cp -v anki.1 $man/share/man/man1/
-      cp -v anki.xml $out/share/mime/packages/
-      cp -v anki.{png,xpm} $out/share/pixmaps/
-      cp -rv locale $out/share/
-      cp -rv anki aqt web $pp/
-
-      # copy the manual into $doc
-      cp -r ${manual}/share/doc/anki/html $doc/share/doc/anki
-    '';
-
-    dontWrapQtApps = true;
-
-    preFixup = ''
-      makeWrapperArgs+=(
-        "''${qtWrapperArgs[@]}"
-        --prefix PATH ':' "${lame}/bin:${mplayer}/bin"
-      )
-    '';
-
-    # now wrapPythonPrograms from postFixup will add both python and qt env variables
-
-    passthru = {
-      inherit manual;
-    };
-
-    meta = with lib; {
-      homepage = "https://apps.ankiweb.net/";
-      description = "Spaced repetition flashcard program";
-      longDescription = ''
-        Anki is a program which makes remembering things easy. Because it is a lot
-        more efficient than traditional study methods, you can either greatly
-        decrease your time spent studying, or greatly increase the amount you learn.
-
-        Anyone who needs to remember things in their daily life can benefit from
-        Anki. Since it is content-agnostic and supports images, audio, videos and
-        scientific markup (via LaTeX), the possibilities are endless. For example:
-        learning a language, studying for medical and law exams, memorizing
-        people's names and faces, brushing up on geography, mastering long poems,
-        or even practicing guitar chords!
-      '';
-      license = licenses.agpl3Plus;
-      broken = stdenv.hostPlatform.isAarch64;
-      platforms = platforms.mesaPlatforms;
-      maintainers = with maintainers; [ oxij Profpatsch enzime ];
-    };
+    license = licenses.agpl3Plus;
+    broken = stdenv.hostPlatform.isAarch64;
+    platforms = platforms.mesaPlatforms;
+    maintainers = with maintainers; [ oxij Profpatsch enzime ];
+  };
 }