anchor.diff:  , isPy3k
   }:
   
  -buildPythonPackage {
  +buildPythonPackage rec {
     pname = "azure-mgmt-commerce";
     version = "1.0.1";
   
  -  src = fetchFromGitHub {
  -    owner = "Azure";
  -    repo = "azure-sdk-for-python";
  -    rev = "ee5b47525d6c1eae3b1fd5f65b0421eab62a6e6f";
  -    sha256 = "0xzdn7da5c3q5knh033vbsqk36vwbm75cx8vf10x0yj58krb4kn4";
  +  src = fetchPypi {
  +    inherit pname version;
  +    extension = "zip";
  +    sha256 = "1hw4crkgb72ps85m2kz9kf8p2wg9qmaagk3z5nydva9g6bnq93n4";
     };
  -
  -  preBuild = ''
  -    cd ./azure-mgmt-commerce
  -  '';
   
     propagatedBuildInputs = [
       msrestazure
  
positive.code:     azure-mgmt-nspkg
    ];
  
    # has no tests
    doCheck = false;
  
    meta = with lib; {
      description = "This is the Microsoft Azure Commerce Management Client Library";
      homepage = "https://github.com/Azure/azure-sdk-for-python";
      license = licenses.mit;
      maintainers = with maintainers; [ mwilsoninsight ];
    };
  }
  
negative.code: { lib
  , buildPythonPackage
  , fetchPypi
  , msrestazure
  , azure-common
  , azure-mgmt-nspkg
  