anchor.diff:      databases
       flask
       httpx
  +    orjson
       passlib
       peewee
       python-jose
  
positive.code: 
  buildPythonPackage rec {
    pname = "fastapi";
    version = "0.79.1";
    format = "flit";
  
    disabled = pythonOlder "3.6";
  
    src = fetchFromGitHub {
      owner = "tiangolo";
      repo = pname;
      rev = "refs/tags/${version}";
      hash = "sha256-vriEwUcdITKLeIy1++dvsl5Guhtjlk2WZQrprVQsYMc=";
    };
  
    postPatch = ''
      substituteInPlace pyproject.toml \
  
negative.code: , databases
  , flask
  , httpx
  , hatchling
  , orjson
  , passlib
  , peewee
  , python-jose
  