anchor.diff:  
   buildPythonPackage rec {
     pname = "flask-appbuilder";
  -  version = "3.4.3";
  +  version = "3.4.4";
  +  format = "setuptools";
  +
  +  disabled = pythonOlder "3.7";
   
     src = fetchPypi {
       pname = "Flask-AppBuilder";
       inherit version;
  -    sha256 = "be1e2271cdd7c879d343f57060b50ac411346730df55b35ce242faadcab81c12";
  +    sha256 = "sha256-uZzuvNusqMzAS/vmg3CuZ+D442J4LbFwsBboVIx/srE=";
     };
   
     # See here: https://github.com/dpgaspar/Flask-AppBuilder/commit/7097a7b133f27c78d2b54d2a46e4a4c24478a066.patch
  
positive.code:   # Majority of tests require network access or mongo
    doCheck = false;
  
    pythonImportsCheck = [ "flask_appbuilder" ];
  
    meta = with lib; {
      description = "Simple and rapid application development framework, built on top of Flask";
      homepage = "https://github.com/dpgaspar/flask-appbuilder/";
      license = licenses.bsd3;
      maintainers = with maintainers; [ costrouc ];
  
negative.code:       --replace "Flask-Babel>=1, <2" "Flask-Babel >=1, <3" \
        --replace "Flask-WTF>=0.14.2, <0.15.0" "Flask-WTF" \
        --replace "WTForms<3.0.0" "WTForms" \
        --replace "marshmallow-sqlalchemy>=0.22.0, <0.27.0" "marshmallow-sqlalchemy" \
        --replace "Flask-JWT-Extended>=3.18, <4" "Flask-JWT-Extended>=4.1.0" \
        --replace "PyJWT>=1.7.1, <2.0.0" "PyJWT>=2.0.1" \
        --replace "prison>=0.2.1, <1.0.0" "prison" \
  