anchor.diff:      };
     };
   
  -  
  +
     webtest = buildPythonPackage rec {
       version = "1.2.3";
       name = "webtest-${version}";
  -    
  +
       src = fetchurl {
         url = "http://pypi.python.org/packages/source/W/WebTest/WebTest-${version}.tar.gz";
         md5 = "585f9331467e6d99acaba4051c1c5878";
  
positive.code:     };
    };
  
    
    argparse = buildPythonPackage (rec {
      name = "argparse-1.1";
  
  
negative.code:     };
    };
  
  
    glance = buildPythonPackage rec {
      name = "glance-0.1.7";
  
  