anchor.diff:      buildInputs = with self; [ nose ] ++ optional isDarwin pkgs.libcxx;
       propagatedBuildInputs = with self; [
         dateutil
  -      numpy
  -      scipy
  +      scipy_0_17
         numexpr
         pytz
         xlrd
         bottleneck
         sqlalchemy
         lxml
  -      # Disabling this because an upstream dependency, pep8, is broken on v3.5.
  -      (if isPy35 then null else html5lib)
  +      html5lib
         modules.sqlite3
         beautifulsoup4
       ] ++ optional isDarwin pkgs.darwin.locale; # provides the locale command
  
positive.code:       runHook preCheck
        # The flag `-A 'not network'` will disable tests that use internet.
        # The `-e` flag disables a few problematic tests.
        ${python.executable} setup.py nosetests -A 'not network' --stop \
          -e '${concatStringsSep "|" testsToSkip}' --verbosity=3
  
        runHook postCheck
  
negative.code:     };
    };
  
    pandas_17 = let
      inherit (pkgs.stdenv.lib) optional optionalString;
      inherit (pkgs.stdenv) isDarwin;
    in buildPythonPackage rec {
  