From ee693621a20290d96f9768249c9b6c433f68032a Mon Sep 17 00:00:00 2001
From: Thiago Franco de Moraes <totonixsame@gmail.com>
Date: Thu, 28 May 2020 19:11:25 -0300
Subject: [PATCH] Not try to close and remove matrix file if aux matrix is not a memmap

---
 invesalius/data/slice_.py | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/invesalius/data/slice_.py b/invesalius/data/slice_.py
index 86d7d5b..fdaf6ef 100644
--- a/invesalius/data/slice_.py
+++ b/invesalius/data/slice_.py
@@ -301,7 +301,10 @@ class Slice(metaclass=utils.Singleton):
 
         for name in self.aux_matrices:
             m = self.aux_matrices[name]
-            f = m.filename
+            try:
+                f = m.filename
+            except AttributeError:
+                continue
             m._mmap.close()
             m = None
             os.remove(f)
--
libgit2 0.21.2