Python toolbar update

Scripting
1

Hello , i have a problem with closing and reopen and showing a toolbar ( like an update of him ), the code it’s attached at this post , what i m missing?

import rhinoscriptsyntax as rs
import Rhino

def updatetools():
update = 1 #0 = no update // 1 = ready for update

if update == 0:
    
    rs.MessageBox("Everything is up to date")
    exit()

else:

    s = rs.ToolbarCollectionNames()
    rs.HideToolbar("CPE_TOOLBAR","CPE_TOOLBAR")
    rs.CloseToolbarCollection("CPE_TOOLBAR",False)
    toolbar =rs.OpenToolbarCollection("P:\_Development\Rihno Python Scripts\CPE-RHINO\CPE_TOOLBAR.rui")
    if toolbar:
        test = rs.ShowToolbar("CPE_TOOLBAR","CPE_TOOLBAR")
        if rs.IsToolbarVisible("CPE_TOOLBAR", "CPE_TOOLBAR"): print "The Layer toolbar is visible."
        else: print "The Layer toolbar is not visible."


updatetools()