From 5d511c1ac732b865d8ae36513a181b89ed5316c8 Mon Sep 17 00:00:00 2001
From: gRoussac <gregory.roussac@prestashop.com>
Date: Tue, 26 Nov 2013 23:39:28 +0100
Subject: [PATCH] // remove notice in ModuleGraph.php

---
 classes/module/ModuleGraph.php | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/classes/module/ModuleGraph.php b/classes/module/ModuleGraph.php
index f8937fcd2..5790a92e5 100644
--- a/classes/module/ModuleGraph.php
+++ b/classes/module/ModuleGraph.php
@@ -222,7 +222,8 @@ abstract class ModuleGraphCore extends Module
 
 	protected function _displayCsv()
 	{
-		ob_end_clean();
+		if (ob_get_length())
+			ob_end_clean();
 		header('Content-Type: application/octet-stream');
 		header('Content-Disposition: attachment; filename="'.$this->displayName.' - '.time().'.csv"');
 		echo $this->_csv;