anchor.diff:        --replace "self.assertEqual(url, 'https://www.google.com')" ""
     '';
   
  -  installPhase = ''
  +  postInstall = ''
       make install PREFIX=$out
   
       mkdir -p $out/share/zsh/site-functions $out/share/bash-completion/completions $out/share/fish/vendor_completions.d
  
positive.code: { stdenv, python3, fetchFromGitHub, fetchpatch }:
  
  with python3.pkgs; buildPythonApplication rec {
    version = "3.7";
    pname = "buku";
  
    src = fetchFromGitHub {
      owner = "jarun";
      repo = "buku";
      rev = "v${version}";
      sha256 = "0qc6xkrhf2phaj9fhym19blr4rr2vllvnyljjz909xr4vsynvb41";
    };
  
    patches = fetchpatch {
      url = https://github.com/jarun/Buku/commit/495d6eac4d9371e8ce6d3f601e2bb9e5e74962b4.patch;
      sha256 = "0py4l5qcgdzqr0iqmcc8ddld1bspk8iwypz4dcr88y70j86588gk";
    };
  
    checkInputs = [
      pytestcov
      pytest-catchlog
      hypothesis
      pytest
      pylint
      flake8
    ];
  
    propagatedBuildInputs = [
  
negative.code:     beautifulsoup4
      requests
      urllib3
      flask
      flask-api
      flask-bootstrap
      flask-paginate
      flask_wtf
      arrow
      werkzeug
      click
    ];
  
    preCheck = ''
  