Make task_died work with no internet

main.py

@@ -477,7 +477,10 @@ def task_died(future):
         logging.error('Sensors server task died!')
     else:
         logging.error('Sensors server task died! Waiting 60s and exiting...')
-        controller_message('Sensors server task died! Waiting 60s and exiting...')
+        try:
+            controller_message('Sensors server task died! Waiting 60s and exiting...')
+        except:  # we want this to succeed no matter what
+            pass
         time.sleep(60)
     exit()