From 02b34f01637db7a14c906132be60b090fecd7673 Mon Sep 17 00:00:00 2001
From: Thomas Fischer <thomas.fischer@ufz.de>
Date: Tue, 3 Mar 2020 14:29:07 +0100
Subject: [PATCH] Fix a bug in convertLiquidFlowToMPL script.

---
 xml/convertLiquidFlowToMPL.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/xml/convertLiquidFlowToMPL.py b/xml/convertLiquidFlowToMPL.py
index fafd7be..2e97d79 100755
--- a/xml/convertLiquidFlowToMPL.py
+++ b/xml/convertLiquidFlowToMPL.py
@@ -312,6 +312,8 @@ def removeMaterialProperty(root, property_type, property_name, phase,
     if p := readConstantPermeabilityTensorEntries(material_property):
         # Find parameter
         param = root.find("./parameters/parameter/[name='" + p + "']")
+        if param == None:
+            return
         if parameterUsesLocalCoordinateSystem(param):
             # Keep parameters with local coord systems as they are.
             removeXmlSubtree(material_property)
-- 
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