anchor.diff:      tox
     ];
   
  -  propagatedBuildInputs = [
  -    requests
  -    python-dateutil
  -    websocket-client
  -    ibm-cloud-sdk-core
  -  ];
  -
     postPatch = ''
       substituteInPlace setup.py \
         --replace websocket-client==1.1.0 websocket-client>=1.1.0
     '';
  +
  +  pythonImportsCheck = [
  +    "ibm_watson"
  +  ];
   
     meta = with lib; {
       description = "Client library to use the IBM Watson Services";
  
positive.code: , python-dateutil
  , websocket-client
  , ibm-cloud-sdk-core
  }:
  
  buildPythonPackage rec {
    pname = "ibm-watson";
    version = "5.3.1";
  
    src = fetchFromGitHub {
      owner = "watson-developer-cloud";
  
negative.code:     rev = "v${version}";
      sha256 = "1x6r8j0xyi81jb0q4pzr6l7aglykrwqz8nw45clv79v33i2sgdcs";
    };
  
    propagatedBuildInputs = [
      requests
      python-dateutil
      websocket-client
      ibm-cloud-sdk-core
    ];
  
    checkInputs = [
      responses
  