anchor.diff:      description = "Open Source ERP and CRM";
       homepage = "https://www.odoo.com/";
       license = licenses.lgpl3Only;
  -    maintainers = [ maintainers.mkg20001 ];
  +    maintainers = with maintainers; [ mkg20001 ];
     };
   }
  
positive.code:     libsass
      lxml
      markupsafe
      num2words
      ofxparse
      passlib
  
negative.code:     reportlab
      requests
      vobject
      werkzeug
      xlrd
      XlsxWriter
      xlwt
  