anchor.diff:        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"
  -    ];
  +      propagatedBuildInputs = [ ];
         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";
         };
       };
   
  
positive.code:       doCheck = commonDoCheck;
        buildInputs = commonBuildInputs;
        propagatedBuildInputs = [
        self."SQLAlchemy"
        self."psycopg2"
        self."pytest"
        self."six"
      ];
        meta = with pkgs.stdenv.lib; {
  
negative.code:       propagatedBuildInputs = [
        self."PyYAML"
        self."WebOb"
        self."dectate"
        self."importscan"
        self."reg"
      ];
        meta = with pkgs.stdenv.lib; {
          homepage = "http://morepath.readthedocs.io";
          license = licenses.bsdOriginal;
          description = "A micro web-framework with superpowers";
        };
      };
  
  
  
      "munch" = python.mkDerivation {
        name = "munch-2.2.0";
        src = pkgs.fetchurl { url = "https://pypi.python.org/packages/92/58/c17cf679a2b9b65541cc71ba13a950289b7d34dd0967e34b8816a4d87044/munch-2.2.0.tar.gz"; sha256 = "62fb4fb318e965a464b088e6af52a63e0905a50500b770596a939d3855e7aa15"; };
        doCheck = commonDoCheck;
        buildInputs = commonBuildInputs;
        propagatedBuildInputs = [
        self."six"
      ];
        meta = with pkgs.stdenv.lib; {
          homepage = "http://github.com/Infinidat/munch";
          license = licenses.mit;
          description = "A dot-accessible dictionary (a la JavaScript objects).";
        };
      };
  
  