root: s/python/python2/

pkgs/applications/science/misc/root/default.nix

@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, fetchpatch, cmake, pcre, pkgconfig, python
+{ stdenv, fetchurl, fetchpatch, cmake, pcre, pkgconfig, python2
 , libX11, libXpm, libXft, libXext, zlib, lzma, gsl, Cocoa }:
 
 stdenv.mkDerivation rec {
@@ -10,7 +10,7 @@ stdenv.mkDerivation rec {
     sha256 = "00f3v3l8nimfkcxpn9qpyh3h23na0mi4wkds2y5gwqh8wh3jryq9";
   };
 
-  buildInputs = [ cmake pcre pkgconfig python zlib lzma gsl ]
+  buildInputs = [ cmake pcre pkgconfig python2 zlib lzma gsl ]
     ++ stdenv.lib.optionals (!stdenv.isDarwin) [ libX11 libXpm libXft libXext ]
     ++ stdenv.lib.optionals (stdenv.isDarwin) [ Cocoa ]
     ;