def __iadd__(self, other): UserList.__iadd__(self, other) self.notify()
def __iadd__(self, other): result = UserList.__iadd__(self, other) result.unique = False return result
def __iadd__(self, other): res = UserList.__iadd__(self, other) self._changed() return res
def __iadd__(self, other): other2 = self.checkList(other) return UserList.__iadd__(self, other2)