Ignore failures of setting site offline or online

deploy.py

@@ -77,7 +77,7 @@ def _set_site_offline(target, environment):
     Helper function to set the site in maintenance.
     :param environment
     """
-    run('drush --yes --root={}  vset site_offline 1'.format(target.get('root')))
+    run('drush --yes --root={}  vset site_offline 1 || true'.format(target.get('root')))
     print(green('The is in maintenance mode on the target environment {}.'.format(environment)))
 
 
@@ -86,7 +86,7 @@ def _set_site_online(target, environment):
     Helper function to set the site online.
     :param environment
     """
-    run('drush --yes --root={} vset site_offline 0'.format(target.get('root')))
+    run('drush --yes --root={} vset site_offline 0 || true'.format(target.get('root')))
     print(green('The site is online on the target environment {}.'.format(environment)))