anchor.diff:      # cython modules are not installed for some reasons
       (
         cd TTS/tts/layers/glow_tts/monotonic_align
  -      ${python3Packages.python.interpreter} setup.py install --prefix=$out
  +      ${python3.interpreter} setup.py install --prefix=$out
       )
     '';
   
  -  checkInputs = with python3Packages; [
  +  checkInputs = with python3.pkgs; [
       pytest-sugar
       pytestCheckHook
     ];
  
positive.code: # 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 = "0.0.15.1";
  
    src = fetchFromGitHub {
      owner = "coqui-ai";
  
negative.code:     sed -i -e 's!umap-learn==[^"]*!umap-learn!' requirements.txt
    '';
  
    nativeBuildInputs = with python3.pkgs; [
      cython
    ];
  
    propagatedBuildInputs = with python3.pkgs; [
      anyascii
      coqpit
      flask
  