anchor.diff:   #    };
    #  });
   
  - #  audioread = buildPythonPackage rec {
  - #    name = "audioread-${version}";
  - #    version = "2.1.1";
  -
  - #    src = pkgs.fetchurl {
  - #      url = "https://pypi.python.org/packages/source/a/audioread/${name}.tar.gz";
  - #      sha256 = "ffb601de7a9e40850d4ec3256a3a6bbe8fa40466dafb5c65f41b08e4bb963f1e";
  - #    };
  -
  - #    # No tests, need to disable or py3k breaks
  -
  - #    meta = {
  - #      description = "Cross-platform audio decoding";
  - #      homepage = "https://github.com/sampsyo/audioread";
  - #      license = licenses.mit;
  - #    };
  - #  };
  +   audioread = buildPythonPackage rec {
  +     name = "audioread-${version}";
  +     version = "2.1.1";
  +
  +     src = pkgs.fetchurl {
  +       url = "https://pypi.python.org/packages/source/a/audioread/${name}.tar.gz";
  +       sha256 = "ffb601de7a9e40850d4ec3256a3a6bbe8fa40466dafb5c65f41b08e4bb963f1e";
  +     };
  +
  +     # No tests, need to disable or py3k breaks
  +
  +     meta = {
  +       description = "Cross-platform audio decoding";
  +       homepage = "https://github.com/sampsyo/audioread";
  +       license = licenses.mit;
  +     };
  +   };
   
    #  audiotools = buildPythonPackage rec {
    #    name = "audiotools-${version}";
  
positive.code:  #    };
   #  };
  
   #  greenlet = buildPythonPackage rec {
   #    name = "greenlet-${version}";
   #    version = "0.4.9";
   #    disabled = isPyPy;  # builtin for pypy
  
   #    src = pkgs.fetchurl {
   #      url = "https://pypi.python.org/packages/source/g/greenlet/${name}.zip";
   #      sha256 = "0li2vm6ix982mmqdnqb6pgrq0jfvd0lfi5dz2rb6ap07wyig7cjq";
   #    };
  
   #    meta = {
   #      homepage = https://pypi.python.org/pypi/greenlet;
   #      description = "Module for lightweight in-process concurrent programming";
   #      license     = licenses.lgpl2;
   #      platforms   = platforms.all;
   #    };
   #  };
  
   #  gspread = buildPythonPackage rec {
   #    version = "0.2.3";
  
negative.code:  #    };
   #  };
  
     traceback2 = buildPythonPackage rec {
       version = "1.4.0";
       name = "traceback2-${version}";
  
       src = pkgs.fetchurl {
         url = "https://pypi.python.org/packages/source/t/traceback2/traceback2-${version}.tar.gz";
         sha256 = "0c1h3jas1jp1fdbn9z2mrgn3jj0hw1x3yhnkxp7jw34q15xcdb05";
       };
  
       propagatedBuildInputs = with self; [ pbr linecache2 ];
       # circular dependencies for tests
  
       meta = {
         description = "A backport of traceback to older supported Pythons.";
         homepage = https://pypi.python.org/pypi/traceback2/;
       };
     };
  
     linecache2 = buildPythonPackage rec {
       name = "linecache2-${version}";
       version = "1.0.0";
  
       src = pkgs.fetchurl {
         url = "https://pypi.python.org/packages/source/l/linecache2/${name}.tar.gz";
         sha256 = "0z79g3ds5wk2lvnqw0y2jpakjf32h95bd9zmnvp7dnqhf57gy9jb";
       };
  
       buildInputs = with self; [ pbr ];
       # circular dependencies for tests
  
       meta = with stdenv.lib; {
         description = "A backport of linecachetestscenarios to older supported Pythons.";
         homepage = "https://github.com/testing-cabal/linecache2";
       };
     };
  
   #  upass = buildPythonPackage rec {
   #    version = "0.1.4";
  