anchor.diff:  
     disabledTests = [
       # Requires network acccess to download models
  +    "test_korean_text_to_phonemes"
  +    "test_models_offset_0_step_3"
  +    "test_models_offset_1_step_3"
  +    "test_models_offset_2_step_3"
  +    "test_run_all_models"
       "test_synthesize"
  -    "test_run_all_models"
  +    "test_voice_conversion"
       # Mismatch between phonemes
       "test_text_to_ids_phonemes_with_eos_bos_and_blank"
       # Takes too long
       "test_parametrized_wavernn_dataset"
  -
  -    # requires network
  -    "test_voice_conversion"
     ];
   
     disabledTestPaths = [
  
positive.code:     coqpit
      flask
      fsspec
      gdown
      gruut
      inflect
      jieba
      librosa
      matplotlib
      mecab-python3
      numba
      pandas
      pypinyin
      pysbd
      pyworld
      scipy
      soundfile
      tensorflow
  
negative.code: in
  python.pkgs.buildPythonApplication rec {
    pname = "tts";
    version = "0.9.0";
    format = "pyproject";
  
    src = fetchFromGitHub {
      owner = "coqui-ai";
      repo = "TTS";
      rev = "v${version}";
      sha256 = "sha256-p4I583Rs/4eig7cnOcJjri2ugOLAeF2nvPIvMZrN1Ss=";
    };
  
    postPatch = let
  