anchor.diff:  #
   # If you upgrade from an old version you may have to delete old models from ~/.local/share/tts
   # Also note that your tts version might not support all available models so check:
  -#   https://github.com/coqui-ai/TTS/releases/tag/v0.0.14
  +#   https://github.com/coqui-ai/TTS/releases/tag/v0.0.15
   #
   # For now, for deployment check the systemd unit in the pull request:
   #   https://github.com/NixOS/nixpkgs/pull/103851#issue-521121136
   
   python3Packages.buildPythonApplication rec {
     pname = "tts";
  -  version = "0.0.14";
  +  version = "0.0.15";
   
     src = fetchFromGitHub {
       owner = "coqui-ai";
       repo = "TTS";
       rev = "v${version}";
  -    sha256 = "0cl0ri90mx0y19fmqww73lp5nv6qkpc45rm4157i7p6q6llajdhp";
  +    sha256 = "0pbzkjk2hncj22xh5lq5anlnvzkpfa7nxr1s2p6hshpln3mqjqs7";
     };
   
     postPatch = ''
  
positive.code:   ];
  
    propagatedBuildInputs = with python3Packages; [
      coqpit
      flask
      gdown
  
negative.code: 
    disabledTestPaths = [
      # requires tensorflow
      "tests/vocoder_tests/test_vocoder_tf_pqmf.py"
      "tests/vocoder_tests/test_vocoder_tf_melgan_generator.py"
      "tests/tts_tests/test_tacotron2_tf_model.py"
      # RuntimeError: fft: ATen not compiled with MKL support
      "tests/vocoder_tests/test_fullband_melgan_train.py"
      "tests/vocoder_tests/test_hifigan_train.py"
      "tests/vocoder_tests/test_melgan_train.py"
      "tests/vocoder_tests/test_multiband_melgan_train.py"
      "tests/vocoder_tests/test_parallel_wavegan_train.py"
    ];
  
    meta = with lib; {
  