I know it's a bit late for bikeshedding this thing so if we want to be conservative and stick to the current syntactical options already defined in PEP 654, I'm voting Option 2 (given the awkwardness of the *(E1, E2) example).
Python-Dev mailing list -- email@example.com
To unsubscribe send an email to firstname.lastname@example.org
Message archived at https://email@example.com/message/T7QZJ575RFNYZ5KMYD66YMR2ZLNDVF56/
Code of Conduct: http://python.org/psf/codeofconduct/