anchor.diff:  
   buildPythonPackage rec {
     pname = "anyio";
  -  version = "3.3.4";
  +  version = "3.5.0";
     format = "pyproject";
     disabled = pythonOlder "3.7";
   
  
positive.code: , lib
  , buildPythonPackage
  , fetchFromGitHub
  , pythonOlder
  , setuptools-scm
  , idna
  
negative.code:     owner = "agronholm";
      repo = pname;
      rev = version;
      sha256 = "sha256-AZ9M/NBCBlMIUpRJgKbJRL/oReZDUh2Jhwtoxoo0tMs=";
    };
  
    patches = [
      (fetchpatch {
        # Pytest 7.0 compatibility
        url = "https://github.com/agronholm/anyio/commit/fed7cc4f95e196f68251bcb9253da3b143ea8e7e.patch";
        sha256 = "sha256-VmZmiQEmWJ4aPz0Wx+GTMZo7jXRDScnRYf2Hu2hiRVw=";
      })
    ];
  
    preBuild = ''
      export SETUPTOOLS_SCM_PRETEND_VERSION=${version}
  