anchor.diff:      };
   
       "deform" = python.mkDerivation {
  -      name = "deform-2.0.5";
  -      src = pkgs.fetchurl { url = "https://files.pythonhosted.org/packages/0c/b1/ba711d5808c12538c8504f534d79c124ed834f19ac36f0ac5391c3bbd1c1/deform-2.0.5.tar.gz"; sha256 = "874d3346a02c500432efdcc73b1a7174aa0ea69cd52a99bb9a812967f54f6f79"; };
  +      name = "deform-2.0.6";
  +      src = pkgs.fetchurl { url = "https://files.pythonhosted.org/packages/44/89/0d734745d000492e2609e128923c066fa3e7954138ab12a6866ebe0b48a8/deform-2.0.6.tar.gz"; sha256 = "bda0b809c8a668e105e30650a6766103207eafdd12c313acd59274ccd2c4d297"; };
         doCheck = commonDoCheck;
         checkPhase = "";
         installCheckPhase = "";
  
positive.code:     };
  
      "peppercorn" = python.mkDerivation {
        name = "peppercorn-0.5";
        src = pkgs.fetchurl { url = "https://files.pythonhosted.org/packages/45/ec/a62ec317d1324a01567c5221b420742f094f05ee48097e5157d32be3755c/peppercorn-0.5.tar.gz"; sha256 = "921cba5d51fa211e6da0fbd2120b9a98d663422a80f5bb669ad81ffb0909774b"; };
        doCheck = commonDoCheck;
        checkPhase = "";
        installCheckPhase = "";
        buildInputs = commonBuildInputs;
        propagatedBuildInputs = [ ];
        meta = with pkgs.stdenv.lib; {
          homepage = "http://docs.pylonsproject.org/projects/peppercorn/en/latest/";
          license = "BSD-derived (http://www.repoze.org/LICENSE.txt)";
          description = "A library for converting a token stream into a data structure for use in web form posts";
        };
  
negative.code:       };
      };
  
      "Markdown" = python.mkDerivation {
        name = "Markdown-2.6.11";
        src = pkgs.fetchurl { url = "https://files.pythonhosted.org/packages/b3/73/fc5c850f44af5889192dff783b7b0d8f3fe8d30b65c8e3f78f8f0265fecf/Markdown-2.6.11.tar.gz"; sha256 = "a856869c7ff079ad84a3e19cd87a64998350c2b94e9e08e44270faef33400f81"; };
        doCheck = commonDoCheck;
        checkPhase = "";
        installCheckPhase = "";
        buildInputs = commonBuildInputs;
        propagatedBuildInputs = [ ];
        meta = with pkgs.stdenv.lib; {
          homepage = "https://Python-Markdown.github.io/";
          license = licenses.bsdOriginal;
          description = "Python implementation of Markdown.";
        };
      };
  
      "MarkupSafe" = python.mkDerivation {
        name = "MarkupSafe-1.0";
        src = pkgs.fetchurl { url = "https://files.pythonhosted.org/packages/4d/de/32d741db316d8fdb7680822dd37001ef7a448255de9699ab4bfcbdf4172b/MarkupSafe-1.0.tar.gz"; sha256 = "a6be69091dac236ea9c6bc7d012beab42010fa914c459791d627dad4910eb665"; };
  