anchor.diff:  { lib
   , buildPythonPackage
  -, fetchFromGitHub
  +, fetchPypi
   , isPy3k
   , requests
   , requests_oauthlib
  
positive.code:     description = "The runtime library 'msrest' for AutoRest generated Python clients.";
      homepage = "https://azure.microsoft.com/en-us/develop/python/";
      license = licenses.mit;
      maintainers = with maintainers; [ bendlas ];
    };
  }
  
negative.code: }:
  
  buildPythonPackage rec {
    version = "0.6.7";
    pname = "msrest";
  
    src = fetchPypi {
      inherit pname version;
      sha256 = "07136g3j7zgcvkxki4v6q1p2dm1nzzc28181s8dwic0y4ml8qlq5";
    };
  
    propagatedBuildInputs = [
  