fix maintenance controller

install

@@ -389,6 +389,7 @@ wo_install() {
 
 }
 
+
 wo_upgrade_nginx() {
 
     {

wo/cli/plugins/maintenance.py

@@ -13,7 +13,7 @@ import configparser
 import os
 
 
-def wo_stack_hook(app):
+def wo_maintenance_hook(app):
     pass
 
 
@@ -52,6 +52,6 @@ class WOMaintenanceController(CementBaseController):
 
 def load(app):
     # register the plugin class.. this only happens if the plugin is enabled
-    handler.register(WOUpdateController)
+    handler.register(WOMaintenanceController)
     # register a hook (function) to run after arguments are parsed.
-    hook.register('post_argument_parsing', wo_update_hook)
+    hook.register('post_argument_parsing', wo_maintenance_hook)