From 4dbe895c15d8c4ffbebee18947580a73840c642d Mon Sep 17 00:00:00 2001
From: Thomas Karl Pietrowski <thopiekar@googlemail.com>
Date: Wed, 27 Jul 2016 20:16:12 +0200
Subject: [PATCH] 3MF_Reader: Optionally use cElementTree

This should make reading the XML faster
---
 plugins/3MFReader/ThreeMFReader.py | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/plugins/3MFReader/ThreeMFReader.py b/plugins/3MFReader/ThreeMFReader.py
index bf25ccd440..71fe8857b1 100644
--- a/plugins/3MFReader/ThreeMFReader.py
+++ b/plugins/3MFReader/ThreeMFReader.py
@@ -19,7 +19,10 @@ catalog = i18nCatalog("cura")
 import math
 import zipfile
 
-import xml.etree.ElementTree as ET
+try:
+    import xml.etree.cElementTree as ET
+except ImportError:
+    import xml.etree.ElementTree as ET
 
 ##    Base implementation for reading 3MF files. Has no support for textures. Only loads meshes!
 class ThreeMFReader(MeshReader):