anchor.diff:    checkInputs = [
       openssh
       openssl
  +    pytestCheckHook
     ];
   
  -  # Disables windows specific test (specifically the GSSAPI wrapper for Windows)
  -  postPatch = ''
  -    rm tests/sspi_stub.py
  -  '';
  +  disabledTests = [ "test_expired_root" "test_confirm" ];
   
     meta = with stdenv.lib; {
       description = "Provides an asynchronous client and server implementation of the SSHv2 protocol on top of the Python asyncio framework";
  
positive.code:     ./fix-sftp-chmod-test-nixos.patch
    ];
  
    propagatedBuildInputs = [
      bcrypt
      cryptography
  
negative.code: { stdenv, buildPythonPackage, fetchPypi, pythonOlder
  , cryptography
  , bcrypt, gssapi, libnacl, libsodium, nettle, pyopenssl
  , openssl, openssh, pytestCheckHook }:
  
  buildPythonPackage rec {
    pname = "asyncssh";
  