[orca] Handle instance of an AT-SPI2 hung-process error for LibreOffice

[Joanmarie Diggs <joanied src gnome org>]

commit 0f627a5064e74869c071c37e49b3b09e50479b56
Author: Joanmarie Diggs <jdiggs igalia com>
Date:   Tue Sep 1 11:40:12 2015 -0400

    Handle instance of an AT-SPI2 hung-process error for LibreOffice

 src/orca/scripts/apps/soffice/script_utilities.py |   10 ++++++++--
 1 files changed, 8 insertions(+), 2 deletions(-)
---
diff --git a/src/orca/scripts/apps/soffice/script_utilities.py 
b/src/orca/scripts/apps/soffice/script_utilities.py
index 22ed99a..473bfba 100644
--- a/src/orca/scripts/apps/soffice/script_utilities.py
+++ b/src/orca/scripts/apps/soffice/script_utilities.py
@@ -326,8 +326,14 @@ class Utilities(script_utilities.Utilities):
         """Returns True if the given object is a container which has
         no presentable information (label, name, displayed text, etc.)."""
 
-        role = obj.getRole()
-        if role == pyatspi.ROLE_PANEL and obj.childCount == 1:
+        try:
+            role = obj.getRole()
+            childCount = obj.childCount
+        except:
+            role = None
+            childCount = 0
+
+        if role == pyatspi.ROLE_PANEL and childCount == 1:
             if obj.name and obj.name == obj[0].name:
                 return True