anchor.diff:  { lib
   , python3
   , fetchFromGitHub
  +, espeak-ng
   }:
   
   # USAGE:
  
positive.code:   ];
  
    postInstall = ''
      cp -r TTS/server/templates/ $out/${python3.sitePackages}/TTS/server
      # cython modules are not installed for some reasons
      (
        cd TTS/tts/utils/monotonic_align
        ${python3.interpreter} setup.py install --prefix=$out
      )
    '';
  
    checkInputs = with python3.pkgs; [
      pytest-sugar
      pytestCheckHook
    ];
  
    disabledTests = [
      # RuntimeError: fft: ATen not compiled with MKL support
      "test_torch_stft"
      "test_stft_loss"
      "test_multiscale_stft_loss"
      # Requires network acccess to download models
      "test_synthesize"
      "test_run_all_models"
    ];
  
    preCheck = ''
  
negative.code:       "numba"
        "numpy"
        "umap-learn"
        "unidic-lite"
      ];
    in ''
      sed -r -i \
  