* Add betterproto.Enum __copy__ and __deepcopy__ implementations
betterproto.Enum is missing __copy__ and __deepcopy__ implementations, which were recently added to enum.Enum, see https://github.com/python/cpython/issues/106602
This fixes the bug where betterproto messages with Enums nested within cannot be copied via copy.deepcopy.
* Type hint on Enum.__copy__
Co-authored-by: James Hilton-Balfe <gobot1234yt@gmail.com>
* Type hint on Enum.__deepcopy__
Co-authored-by: James Hilton-Balfe <gobot1234yt@gmail.com>
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Co-authored-by: James Hilton-Balfe <gobot1234yt@gmail.com>
PLACEHOLDER is a specific instance of an object, the test here should be "is not" instead of "!="
I am experimenting with adding ndarray support, and the equality test here causes problems.
