anchor.diff:      pname = "Quandl";
       sha256 = "0zpw0nwqr4g56l9z4my0fahfgpcmfx74acbmv6nfx1dmq5ggraf3";
     };
  -
  -  doCheck = true;
   
     checkInputs = [
       nose
  
positive.code: {
    lib, fetchPypi, buildPythonPackage, isPy3k, pythonOlder,
    # runtime dependencies
    pandas, numpy, requests, inflection, python-dateutil, six, more-itertools, importlib-metadata,
    # test suite dependencies
    nose, unittest2, flake8, httpretty, mock, jsondate, parameterized, faker, factory_boy,
    # additional runtime dependencies are required on Python 2.x
    pyOpenSSL ? null, ndg-httpsclient ? null, pyasn1 ? null
  }:
  
  buildPythonPackage rec {
  
negative.code:     six
      more-itertools
    ] ++ lib.optionals (!isPy3k) [
      pyopenssl
      ndg-httpsclient
      pyasn1
    ] ++ lib.optionals (pythonOlder "3.8") [
  