anchor.diff:        doCheck = commonDoCheck;
         buildInputs = commonBuildInputs;
         propagatedBuildInputs = [
  -      self."coverage"
         self."zope.interface"
       ];
         meta = with pkgs.stdenv.lib; {
  
positive.code:       src = pkgs.fetchurl { url = "https://pypi.python.org/packages/2d/e1/01431f1afc930befc4a1e32b39e5227124ebcd5ee165683b0d8e80fdb45f/importscan-0.1.tar.gz"; sha256 = "5c003afe8d7f48d684bc9f66e8109952234812b225be324ce572ce4278b18f10"; };
        doCheck = commonDoCheck;
        buildInputs = commonBuildInputs;
        propagatedBuildInputs = [
        self."py"
        self."pytest"
      ];
        meta = with pkgs.stdenv.lib; {
          homepage = "";
          license = licenses.bsdOriginal;
          description = "Recursively import modules and sub-packages";
        };
      };
  
  
  
      "more.pathtool" = python.mkDerivation {
        name = "more.pathtool-0.6.1";
        src = pkgs.fetchurl { url = "https://pypi.python.org/packages/43/12/e114e13cad4979165ac285768caf778ee7fa012b5ce43d39f4b056d00b3f/more.pathtool-0.6.1.tar.gz"; sha256 = "af21a8364f4b15cd748492abd9a46c0024957ebe96bb771e060e775846924e09"; };
        doCheck = commonDoCheck;
        buildInputs = commonBuildInputs;
        propagatedBuildInputs = [
        self."dectate"
        self."morepath"
        self."pytest"
      ];
        meta = with pkgs.stdenv.lib; {
          homepage = "https://github.com/morepath/more.pathtool";
          license = licenses.bsdOriginal;
          description = "Information about path configuration in Morepath";
        };
      };
  
  
negative.code: 
  
  
      "six" = python.mkDerivation {
        name = "six-1.11.0";
        src = pkgs.fetchurl { url = "https://pypi.python.org/packages/16/d8/bc6316cf98419719bd59c91742194c111b6f2e85abac88e496adefaf7afe/six-1.11.0.tar.gz"; sha256 = "70e8a77beed4562e7f14fe23a786b54f6296e34344c23bc42f07b15018ff98e9"; };
  