 in a
complex class system.
So, users can use the ..mro.. (method resolution order) attribute and the
super() function to determine the correct super/next class.
If users decide to store parent environments in
the derived class such that parent method can be called more handily,
awareness needs to be raised when saving and loading these classes/instances.
It is very likely the same class stored in different objects becomes different
environments."></head><body>
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