Capture exception when fetching Google Contacts

blink/contacts.py

@@ -946,7 +946,11 @@ class GoogleContactsManager(object, metaclass=Singleton):
         settings = SIPSimpleSettings()
         settings.google_contacts.username = notification.data.email
         settings.save()
+        try:
             self._service = build('people', 'v1', credentials=notification.data.credentials, http=Http(timeout=10), cache_discovery=False)  # todo: what's the best fix for cache?
+        except Exception as e:
+            log.error('Error fetching Google contacts: %s' % str(e))
+        else:
             self.active = True
             self.sync_contacts()  # sync_contacts is always scheduled in order to not queue posting notifications until after sync_contacts finishes, when called from a notification handler