The `Compare` enum is broken starting from Python 3.9

[P403n1x87]

Python 3.9.7 (default, Sep  3 2021, 12:37:55)
[Clang 12.0.5 (clang-1205.0.22.9)] on darwin
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>>> from dis import cmp_op
>>> len(cmp_op)
6
>>> cmp_op
('<', '<=', '==', '!=', '>', '>=')

The in and is operators have dedicated opcodes (with an argument for the inverse) and they should be removed from Compare.