去掉返回值

backend/SystemUpdater/Core/utils.py

@@ -679,13 +679,10 @@ def LockedPreventShutdown():
                         'Kylin System Updater', 'Installing Packages',
                         'block')),
             None, 0, -1, None, None)
-        inhibitor = Gio.UnixInputStream(fd=fdlist.steal_fds()[var[0]])
+        inhibit_lock = Gio.UnixInputStream(fd=fdlist.steal_fds()[var[0]])
         logging.info("Shutdown Has been locked...")
-        inhibit_lock = inhibitor
-        return True
     except Exception as e:
         logging.error(e)
-        return False
 
 #解锁禁止关机 
 def unLockedEnableShutdown():
@@ -697,10 +694,8 @@ def unLockedEnableShutdown():
             inhibit_lock == None
         else:
             logging.info("Not locked and Quitting ...")
-            return False
     except Exception as e:
         logging.error("unlock failed." + str(e))
-        return False    
 
 # 查看uu进程是否需要kill
 def kill_process(path):