Fix a typo in the Blender exporter

diff --git a/blender/io_mspgl/mesh.py b/blender/io_mspgl/mesh.py
index 25167a3a8a445d015da929cafbf07d2cbf53abf9..8ad77bdafed3111e582578f2d885e3dfafb935f6 100644 (file)
--- a/blender/io_mspgl/mesh.py
+++ b/blender/io_mspgl/mesh.py
@@ -231,7 +231,7 @@ class Mesh:
                # where they don't exist
                edge_map = {e.key: e for e in self.edges}
                for f in self.faces:
-                       if len(f.vertices)>4 and not mesh.use.patches:
+                       if len(f.vertices)>4 and not mesh.use_patches:
                                raise ValueError("Unsupported face on mesh {}: N-gon".format(self.name))
 
                        f.vertices = [self.vertices[i] for i in f.vertices]