human
Solve the following python programming problem given the following code:
def setUp(self) : 
    test_self = self 
    def get_role(self) : 
        return UserRole (domain = test_self.domain, permissions = test_self.permissions) 
patches = [mock.patch.object (DomainMembership, 'role', property (get_role)), mock.patch.object (Memoized, '__call__', (lambda self, * args, **kwargs : self.func (* args, ** kwargs)))] 
    for patch in patches : 
        patch.start () 
        self.addCleanup (test_self.stop) 

    
    

    Fix the buggy line: self.addCleanup (test_self.stop)
assistant
#Here is Python program to fix the buggy line: self.

self.addCleanup (patch.stop)