From 32c621139b68c5f5980615abcfa515d6663cd9e1 Mon Sep 17 00:00:00 2001
From: Dion Moult <dion@thinkmoult.com>
Date: Thu, 14 May 2020 16:29:56 +1000
Subject: [PATCH] Fix bug where monetary unit causes import to fail

---
 src/ifcblenderexport/blenderbim/bim/import_ifc.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/ifcblenderexport/blenderbim/bim/import_ifc.py b/src/ifcblenderexport/blenderbim/bim/import_ifc.py
index 4d23ee2d4a..de77317bbc 100644
--- a/src/ifcblenderexport/blenderbim/bim/import_ifc.py
+++ b/src/ifcblenderexport/blenderbim/bim/import_ifc.py
@@ -773,7 +773,7 @@ class IfcImporter():
     def set_units(self):
         units = self.file.by_type('IfcUnitAssignment')[0]
         for unit in units.Units:
-            if unit.UnitType == 'LENGTHUNIT':
+            if unit.is_a('IfcNamedUnit') and unit.UnitType == 'LENGTHUNIT':
                 if unit.is_a('IfcSIUnit'):
                     bpy.context.scene.unit_settings.system = 'METRIC'
                     if unit.Name == 'METRE':