anchor.diff:        --replace 'python_frontmatter == 0.5.0' 'python_frontmatter' \
         --replace 'requests ==' 'requests >=' \
         --replace 'validators ==' 'validators >=' \
  -      --replace 'watchdog ==' 'watchdog >='
     '';
   
     propagatedBuildInputs = [
  
positive.code: { lib, python3, fetchPypi, appdirs, attrs, requests,
  beautifulsoup4, click-plugins, elasticsearch, flask_login, flask_wtf,
  pypandoc, python-dotenv, python-frontmatter, tinydb, validators,
  watchdog, wtforms }:
  
  python3.pkgs.buildPythonApplication rec {
    pname = "archivy";
    version = "0.9.3";
  
    src = fetchPypi {
      inherit pname version;
      sha256 = "b6ff08a9ecd0a929663c36c73844ac5cb4dc847e69aae639a450c64d4320a506";
    };
  
    # Relax some dependencies
  
negative.code:     validators
      watchdog
      wtforms
      html2text
      flask-compress
    ];
  
    # __init__.py attempts to mkdir in read-only file system
  