anchor.diff:      trial treq
     '';
   
  +  # Failing tests https://github.com/twisted/treq/issues/208
  +  doCheck = false;
  +
     meta = with stdenv.lib; {
       homepage = http://github.com/twisted/treq;
       description = "A requests-like API built on top of twisted.web's Agent";
  
positive.code:     sha256 = "ef72d2d5e0b24bdf29267b608fa33df0ac401743af8524438b073e1fb2b66f16";
    };
  
    propagatedBuildInputs = [ twisted requests six incremental service-identity ];
  
    checkInputs = [
      pep8
      mock
    ];
  
    postPatch = ''
  
negative.code: { stdenv, fetchPypi, buildPythonPackage, service-identity, requests, six
  , mock, twisted, incremental, pep8, httpbin
  }:
  
  buildPythonPackage rec {
    name = "${pname}-${version}";
  