From 4e5ea1bbaf3ab6e3dca634d29542af099be730fb Mon Sep 17 00:00:00 2001
From: whitequark <whitequark@whitequark.org>
Date: Tue, 4 Jul 2017 17:53:48 +0000
Subject: [PATCH] dashboard: fix a crash touching moninj without a connection.

---
 artiq/dashboard/moninj.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/artiq/dashboard/moninj.py b/artiq/dashboard/moninj.py
index 716c3ac1b..4a6f17706 100644
--- a/artiq/dashboard/moninj.py
+++ b/artiq/dashboard/moninj.py
@@ -262,8 +262,8 @@ class _DeviceManager:
                 self.core_connection.inject(channel, TTLOverride.en.value, 0)
             else:
                 raise ValueError
-        # override state may have changed
-        widget.refresh_display()
+            # override state may have changed
+            widget.refresh_display()
 
     def setup_ttl_monitoring(self, enable, channel):
         if self.core_connection is not None: