anchor.diff:  
   buildPythonPackage rec {
     pname = "numcodecs";
  -  version = "0.10.0";
  +  version = "0.10.2";
     disabled = isPy27;
   
     src = fetchPypi {
       inherit pname version;
  -    sha256 = "sha256-LdQlZOd3KpOFkjsCo2Pjzt8FPOkwlKkGRIXn9ppvHJI=";
  +    sha256 = "sha256-IoOMaz/Zhr2cckA5uIhwBX95DiKyDm4cu6oN4ULdWcQ=";
     };
   
     nativeBuildInputs = [
  
positive.code: , isPy27
  , setuptools-scm
  , cython
  , numpy
  , msgpack
  , pytestCheckHook
  
negative.code:   ];
  
    propagatedBuildInputs = [
      entrypoints
      numpy
      msgpack
    ];
  