def clear(self):
        self._items = []
Namespaces can be embedded
dataset/ETHPy150Open enthought/pyface/pyface/action/group.py/Group.clear--crossover with--dataset/ETHPy150Open AppScale/appscale/AppServer/lib/django-1.2/tests/regressiontests/urlpatterns_reverse/tests.py/NamespaceTests.test_multiple_namespace_pattern