anchor.diff:      html2text
       python-dotenv
       python-frontmatter
  +    readability-lxml
       requests
       setuptools
       tinydb
       validators
  -    werkzeug
       wtforms
     ];
   
  
positive.code:       --replace 'validators ==' 'validators >=' \
        --replace 'tinydb ==' 'tinydb >=' \
        --replace 'Flask_WTF == 0.14.3' 'Flask_WTF' \
        --replace 'Werkzeug ==' 'Werkzeug >='
    '';
  
    propagatedBuildInputs = [
  
negative.code: let
    defaultOverrides = [
      (self: super: {
        wtforms = super.wtforms.overridePythonAttrs (oldAttrs: rec {
          version = "2.3.1";
          pname = "WTForms";
  
          src = super.fetchPypi {
            inherit pname version;
            sha256 = "sha256-hhoTs65SHWcA2sOydxlwvTVKY7pwQ+zDqCtSiFlqGXI=";
          };
  
          doCheck = false;
        });
      })
  