Fixes empty spaces appearing in the menu if a person is not allowed to see this menu or if no menu is defined.
Patch by: Lennard de Rijk
"""
Code used in a couple of places to work with the current thread's environment.
Current users include i18n and request prefix handling.
"""
try:
import threading
currentThread = threading.currentThread
except ImportError:
def currentThread():
return "no threading"