anchor.diff:    pname = "webtest";
   
     src = fetchPypi {
  -    inherit pname version;
  +    pname = "WebTest";
  +    inherit version;
       sha256 = "4221020d502ff414c5fba83c1213985b83219cb1cc611fe58aa4feaf96b5e062";
     };
   
  
positive.code: , pyquery
  , wsgiproxy2
  , PasteDeploy
  , coverage
  }:
  
  buildPythonPackage rec {
  
negative.code:     substituteInPlace setup.py --replace "nose<1.3.0" "nose"
    '';
  
    propagatedBuildInputs = [ webob six beautifulsoup4 waitress ];
  
    checkInputs = [ nose mock PasteDeploy wsgiproxy2 pyquery ];
  
    meta = with stdenv.lib; {
      description = "Helper to test WSGI applications";
  