From 3fb1082bd42b1d4e1124953eeeee24408447e28a Mon Sep 17 00:00:00 2001
From: Sven Augustin <sven.augustin@psi.ch>
Date: Tue, 5 Jul 2022 22:24:07 +0200
Subject: [PATCH] also catch TypeError in case a value is e.g. None

---
 slic/gui/daqpanels/tools.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/slic/gui/daqpanels/tools.py b/slic/gui/daqpanels/tools.py
index 4e3f904f..2c4d3a47 100644
--- a/slic/gui/daqpanels/tools.py
+++ b/slic/gui/daqpanels/tools.py
@@ -112,7 +112,7 @@ class ETADisplay(PVDisplay):
             val = tc.GetValue()
             try:
                 val = int(val)
-            except ValueError:
+            except (ValueError, TypeError):
                 # if any of the values is missing, cannot calculate factor
                 factor = None
                 break