From 96d2a541a668b5f484916b3ef916278877fe7d0b Mon Sep 17 00:00:00 2001
From: Thiago Franco de Moraes <totonixsame@gmail.com>
Date: Tue, 11 Apr 2017 10:28:18 -0300
Subject: [PATCH] About dialog working again

---
 invesalius/data/slice_.py | 10 ++++++----
 invesalius/gui/dialogs.py | 11 ++++++++---
 2 files changed, 14 insertions(+), 7 deletions(-)

diff --git a/invesalius/data/slice_.py b/invesalius/data/slice_.py
index af70f59..b6e41c6 100644
--- a/invesalius/data/slice_.py
+++ b/invesalius/data/slice_.py
@@ -267,10 +267,12 @@ class Slice(object):
         self.CloseProject()
 
     def CloseProject(self):
-        f = self._matrix.filename
-        self._matrix._mmap.close()
-        self._matrix  = None
-        os.remove(f)
+        if self._matrix is not None:
+            f = self._matrix.filename
+            self._matrix._mmap.close()
+            self._matrix  = None
+            os.remove(f)
+
         self.current_mask = None
 
         for name in self.aux_matrices:
diff --git a/invesalius/gui/dialogs.py b/invesalius/gui/dialogs.py
index c31068d..2a95bc6 100644
--- a/invesalius/gui/dialogs.py
+++ b/invesalius/gui/dialogs.py
@@ -1059,8 +1059,10 @@ def SaveChangesDialog2(filename):
 
 
 def ShowAboutDialog(parent):
-
-    info = wx.AboutDialogInfo()
+    try:
+        info = wx.adv.AboutDialogInfo()
+    except AttributeError:
+        info = wx.AboutDialogInfo()
     info.Name = "InVesalius"
     info.Version = "3.1"
     info.Copyright = _("(c) 2007-2017 Center for Information Technology Renato Archer - CTI")
@@ -1107,7 +1109,10 @@ def ShowAboutDialog(parent):
     info.Artists = ["Otavio Henrique Junqueira Amorim"]
 
     # Then we call wx.AboutBox providing its info object
-    wx.AboutBox(info)
+    try:
+        wx.adv.AboutBox(info)
+    except AttributeError:
+        wx.AboutBox(info)
 
 
 def ShowSavePresetDialog(default_filename="raycasting"):
--
libgit2 0.21.2