anchor.diff:  
     disabled = isPy27;
   
  -  src = fetchPypi {
  -    pname = "PySyncThru";
  -    inherit version;
  -    sha256 = "13564018a7de4fe013e195e19d7bae92aa224e0f3a32373576682722d3dbee52";
  +  src = fetchFromGitHub {
  +    owner = "nielstron";
  +    repo = "pysyncthru";
  +    rev = "release-${version}";
  +    sha256 = "122zxwqwx03vaxbhmp3cjibjnkirayz0w68gvslsdr7n9nqv3pgz";
     };
   
     propagatedBuildInputs = [
  
positive.code: { lib
  , isPy27
  , buildPythonPackage
  , fetchPypi
  , aiohttp
  , demjson
  , python
  
negative.code:     ${python.interpreter} -m unittest
    '';
  
    pythonImportsCheck = [ "pysyncthru" ];
  
    meta = with lib; {
  