anchor.diff:  
   buildPythonPackage rec {
     pname = "snowflake-connector-python";
  -  version = "2.4.1";
  -  disabled = isPy27;
  +  version = "2.4.3";
  +  disabled = pythonOlder "3.6";
   
     src = fetchPypi {
       inherit pname version;
  -    sha256 = "5c9180e61202a7beb1df83231688423091ca0a04ee559d2a78ff77f9c727baae";
  +    sha256 = "sha256-+jAfUwaofWM5Ef1kk4AEAbBM/UES8/ZzLd4QJfkEQsM=";
     };
  -
  -  postPatch = ''
  -    substituteInPlace setup.py \
  -      --replace "'pyOpenSSL>=16.2.0,<20.0.0'," "'pyOpenSSL'," \
  -      --replace 'pytz<2021.0' 'pytz'
  -  '';
   
     propagatedBuildInputs = [
       azure-storage-blob
  
positive.code:     pytz
      requests
      six
    ] ++ lib.optionals (!isPy3k) [
      pyarrow
      pyasn1-modules
      urllib3
    ];
  
    # tests require encrypted secrets, see
    # https://github.com/snowflakedb/snowflake-connector-python/tree/master/.github/workflows/parameters
    doCheck = false;
    pythonImportsCheck = [ "snowflake" "snowflake.connector" ];
  
    meta = with lib; {
      description = "Snowflake Connector for Python";
  
negative.code: { lib
  , buildPythonPackage
  , pythonOlder
  , asn1crypto
  , azure-storage-blob
  , boto3
  