anchor.diff:        maintainers = with maintainers; [ bjornfor jgeerds fridh ];
       };
     };
  -  
  +
     ipython_genutils = buildPythonPackage rec {
       version = "0.1.0";
       name = "ipython_genutils-${version}";
  -    
  +
       src = pkgs.fetchurl {
         url = "https://pypi.python.org/packages/source/i/ipython_genutils/${name}.tar.gz";
         sha256 = "3a0624a251a26463c9dfa0ffa635ec51c4265380980d9a50d65611c3c2bd82a6";
       };
  -    
  +
       meta = {
         description = "Vestigial utilities from IPython";
         homepage = http://ipython.org/;
  
positive.code:       sha256 = "10agmrkps8bi5948vwpipfxds5kj1d076m9i0nhaxwqiw7gm6670";
      };
  
      buildInputs = [ self.nose ];
      propagatedBuildInputs = with self; [
        dateutil
        numpy
  
negative.code:       html5lib
        modules.sqlite3
        beautifulsoup4
      ] ++ optional isDarwin pkgs.darwin.adv_cmds; # provides the locale command
  
      # For OSX, we need to add a dependency on libcxx, which provides
      # `complex.h` and other libraries that pandas depends on to build.
      patchPhase = optionalString isDarwin ''
        cpp_sdk="${pkgs.libcxx}/include/c++/v1";
        echo "Adding $cpp_sdk to the setup.py common_include variable"
        substituteInPlace setup.py \
          --replace "['pandas/src/klib', 'pandas/src']" \
                    "['pandas/src/klib', 'pandas/src', '$cpp_sdk']"
      '';
  
      preCheck = ''
        # Broken test, probably https://github.com/pydata/pandas/issues/10312:
  