def testCopying_07a_Regression_mutability_count_test(self):
p = TreeDict()
p.a.b = [1,2,3,4,534]
p.a.c = [1,22,534]
p.b = [1,2,3]
p2 = copy(p)
self.assert_(p._numMutable() == p2._numMutable())
self.assert_(p.a._numMutable() == p2.a._numMutable())
