From 670930efc5243f78c11770d39d476ad857cd85c8 Mon Sep 17 00:00:00 2001
From: Thiago Franco de Moraes <totonixsame@gmail.com>
Date: Wed, 4 Aug 2021 10:34:02 -0300
Subject: [PATCH] wrapping del self.matrix with a try because mask.matrix is already remove on Linux

---
 invesalius/data/mask.py | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/invesalius/data/mask.py b/invesalius/data/mask.py
index 9b3598a..070640b 100644
--- a/invesalius/data/mask.py
+++ b/invesalius/data/mask.py
@@ -480,5 +480,9 @@ class Mask():
                 self.save_history(index, orientation, matrix.copy(), cp_mask)
 
     def __del__(self):
-        del self.matrix
+        # On Linux self.matrix is already removed so it gives an error
+        try:
+            del self.matrix
+        except AttributeError:
+            pass
         os.remove(self.temp_file)
--
libgit2 0.21.2