anchor.diff:      python-dotenv
       python-frontmatter
       requests
  +    setuptools
       tinydb
       validators
       werkzeug
  
positive.code: { lib
  , buildPythonApplication
  , fetchPypi
  , appdirs
  , attrs
  , beautifulsoup4
  , click-plugins
  , elasticsearch
  , flask-compress
  , flask_login
  , flask_wtf
  , html2text
  , python-dotenv
  , python-frontmatter
  , requests
  , tinydb
  , validators
  , werkzeug
  , wtforms
  }:
  
  buildPythonApplication rec {
    pname = "archivy";
  
negative.code:       --replace 'validators ==' 'validators >=' \
        --replace 'tinydb ==' 'tinydb >=' \
        --replace 'Flask_WTF == 0.14.3' 'Flask_WTF' \
        --replace 'Werkzeug ==' 'Werkzeug >='
    '';
  
    propagatedBuildInputs = [
  