anchor.diff:  { lib, buildPythonPackage, fetchPypi, isPy27
   , aiodns
   , aiohttp
  +, mock
   , msrest
   , pytest
   , pytestCheckHook
  
positive.code: }:
  
  buildPythonPackage rec {
    version = "1.2.2";
    pname = "azure-core";
    disabled = isPy27;
  
    src = fetchPypi {
      inherit pname version;
      extension = "zip";
      sha256 = "0bz4m6kmqymxlxf9qk6jw8v895d13rsggbgsjpsbvi9px6w15nwb";
    };
  
    propagatedBuildInputs = [
  
negative.code:   checkInputs = [
      aiodns
      aiohttp
      mock
      msrest
      pytest
      pytestCheckHook
  