anchor.diff: -{ buildPythonPackage
  -, isPy27
  +{ lib
  +, buildPythonPackage
  +, pythonOlder
   , asn1crypto
   , azure-storage-blob
   , boto3
  
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: 
  buildPythonPackage rec {
    pname = "snowflake-connector-python";
    version = "2.4.3";
    disabled = pythonOlder "3.6";
  
    src = fetchPypi {
      inherit pname version;
      sha256 = "sha256-+jAfUwaofWM5Ef1kk4AEAbBM/UES8/ZzLd4QJfkEQsM=";
    };
  
    propagatedBuildInputs = [
      azure-storage-blob
  