From 9223ddbc3c9a1372ceb427b0e1cd6739198cf093 Mon Sep 17 00:00:00 2001
From: Guilhem Lavaux <guilhem.lavaux@gmail.com>
Date: Tue, 27 May 2014 13:54:42 +0200
Subject: [PATCH] Check for 0 pointer

---
 python/_cosmotool.pyx | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/python/_cosmotool.pyx b/python/_cosmotool.pyx
index 488171b..5e8c5dc 100644
--- a/python/_cosmotool.pyx
+++ b/python/_cosmotool.pyx
@@ -133,6 +133,8 @@ def loadGadget(str filename, int snapshot_id, bool loadPosition = True, bool loa
      flags |= NEED_VELOCITY
 
   data = loadGadgetMulti(filename, snapshot_id, flags)
+  if data == <SimuData*>0:
+    return None
 
   simu = Simulation()
   simu.data = data