pythonPackages.pyplatec: mark as broken on linux

pkgs/development/python-modules/pyplatec/default.nix

@@ -1,4 +1,5 @@
 { lib
+, stdenv
 , buildPythonPackage
 , fetchPypi
 }:
@@ -16,6 +17,7 @@ buildPythonPackage rec {
     description = "Library to simulate plate tectonics with Python bindings";
     homepage    = "https://github.com/Mindwerks/plate-tectonics";
     license     = licenses.lgpl3;
+    broken      = stdenv.isLinux;
   };
 
 }