anchor.diff:      "test_multiscale_stft_loss"
       # Requires network acccess to download models
       "test_synthesize"
  +    "test_run_all_models"
     ];
   
     preCheck = ''
  
positive.code: 
  python3.pkgs.buildPythonApplication rec {
    pname = "tts";
    version = "0.4.1";
  
    src = fetchFromGitHub {
      owner = "coqui-ai";
      repo = "TTS";
      rev = "v${version}";
      sha256 = "sha256-ZcQUgr+1XTmXoyf2WNsP8Hept42JTFmKXdo0kcU6QWU=";
    };
  
    postPatch = ''
      sed -i requirements.txt \
        -e 's!librosa==[^"]*!librosa!' \
        -e 's!mecab-python3==[^"]*!mecab-python3!' \
        -e 's!numba==[^"]*!numba!' \
        -e 's!numpy==[^"]*!numpy!' \
  
negative.code: { lib
  , python3
  , fetchFromGitHub
  }:
  
  # USAGE:
  